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Applied Physics 10th Edition Dale ewen, Neill schurter, P. erik gundersen - Solutions

John’s mass is 65.0 kg on the earth. What are his?(a) Mass(b) Weight on the moon?
John’s mass is 65.0 kg on the earth. What are his U.S. (a) Mass(b) Weight 4000 mi above the surface of the earth, where g = 7.85 ft/s2?
Maria weighs 115 lb on the earth. What are her U.S.(a) Mass(b) Weight on Jupiter, where g = 85.0 ft/s2?
John’s mass is 65.0 kg on the earth. What are his metric (a) Mass(b) Weight on Mars, where g = 3.72 m/s2?
1. An automobile transmission weighs 995 N. What is its mass?2. A power wheelbarrow weighs 210 N. What is its mass?
1. A cart on wheels weighs 2400 N. The coefficient of rolling friction between the wheels and floor is 0.16. What force is needed to keep the cart rolling uniformly?2. A wooden crate weighs 780 lb. What force is needed to start the crate sliding on a wooden floor when the coefficient of static
1. A snowmobile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N. If the coefficient of friction of the sled is 0.12, what is the pulling force supplied by the snowmobile?2. An automobile weighs 12,000 N and has a coefficient of static friction of 0.13. What
Rubber tires and wet blacktop have a coefficient of kinetic friction of 0.500. A pickup truck with mass 750 kb traveling 30.0 m/s skids to a stop. (a) What is the size and direction of the frictional force that the road exerts on the truck? (b) Find the acceleration of the truck. (c) How far would
The coefficient of friction in Problem 15 is 0.700 if the tires do not skid.(a) Would the force of friction be greater than, less than, or equal to that in Problem 15?(b) Would the truck in (a) stop in a shorter, a longer, or an equal distance compared to the truck in Problem 15?
Find the net force including its direction when each force acts in the direction indicated.1. 17.0 N to the left, 20.0 N to the right.2. 265 N to the left, 85 N to the right.3. 100.0 N to the left, 75.0 N to the right, and 10.0 N to the right.4. 190 lb to the left, 87 lb to the right, and 49 lb to
Find the net force including its direction when each force acts in the direction indicated.1. Find the acceleration of an automobile of mass 1500 kg acted upon by a driving force of 2200 N that is opposed by a frictional force of 450 N.2. A truck of mass 13,100 kg is acted upon by a driving force
1. A crate of mass 6.00 kg is moved by a force of 18.0 N. What is its acceleration?2. An 825-N force is required to pedal a bike with an acceleration of 11.0 m/s2. What is the mass of the bike and person?3. A block of mass 0.89 slug moves with a force of 17.0 lb. Find the block’s acceleration.4.
1. A truck pulls a trailer with a frictional force of 870 N and a coefficient of friction of 0.23. What is the trailer’s normal force?2. A steel box is slid along a steel surface. It has a normal force of 57 N. What is the frictional force?3. A rock of a mass 13.0 kg is dropped from a cliff. Find
1. A force of 175 N is needed to keep a 640-N stationary engine on wooden skids from sliding on a wooden floor. What is the coefficient of static friction?2. A crated garden tractor weighs 375 N. What force is needed to start the crate sliding on a wooden floor when the coefficient of static
1. Force(a) Is a vector quantity.(b) May be different from weight.(c) Does not always cause motion.(d) All of the above.2. The metric weight of a 10-lb bag of sugar is approximately?(a) 4.45 N.(b) 44.5 N.(c) 445 N.(d) None of the above.3. Mass and weight(a) Are the same.(b) Are different.(c) Do not
1. Using your own words, state Newton’s first law, the law of inertia.2. Distinguish between velocity and acceleration.3. When the same force is applied to two different masses, which will have a greater acceleration?4. Is 3 pounds heavier than 10 newtons?5. Explain how life would be easier or
Archeologists in Egypt are attempting to open a 2.57-m-wide door in the tomb of Tutankhamen. Miles, one of the rookie archeologists pushes perpendicularly on the door with a force of 894 N.(a) How much torque does Miles exert on the door? (b) As the door opens, Miles continues to push with the same
Sean and Greg are on a job site standing on two beams 11.0 ft apart. They need to lift their crate of tools midway between them with ropes up 33.5 ft to where they are working. (a) What is the angle between the ropes when the crate is on the ground? (b) How much force do Sean and Greg need to exert
Maria has severe arthritis and can apply a maximum force of only 25.5 N when opening her front door. (a) How much more torque would Maria be able to apply if she purchased a lever-style door opener with a handle 12.7 cm long compared to her conventional doorknob with a radius of 3.74 cm?(b) How
Krista’s flagpole bracket is mounted at an angle of 45.0° to the wall and is designed to support a maximum torque of 40.0 N m. (a) If the new flag and pole that Krista bought have a mass of 8.75 kg and their center of mass is located 0.750 m from the bracket, will the bracket support the flag
Luisa whose mass is 45.0 kg, is standing at the end of a 5.50-m diving board, which has a mass of 35.7 kg (Figure).(a) What force must the bracket and fulcrum exert on the diving board?(b) Where would Luisa stand to have both the fulcrum and the bracket apply an upwardforce?
Find the sum of each set of forces acting at the same point in a straight line.1. 355 N (right); 475 N (right); 245 N (left); 555 N (left)2. 703 N (right); 829 N (left); 125 N (left); 484 N (left)3. Forces of 225 N and 175 N act at the same point. (a) What is the magnitude of the maximum net force
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
If forces of 1000 N acting in a northerly direction and 1500 N acting in an easterly direction both act on the same point, what is the resultant force?
If two forces of 100 N and 50.0 N, respectively, act in a westerly direction on a point and a force of 175 N acts in a northerly direction on the same point, what is the resultant force?
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
Forces of F1 = 1150 N, F2 = 875 N, and F3 = 1450 N are applied at the same point. The angle between F1 and F2 is 90.0° and the angle between F2 and F3 is 120.0°. F2 is between F1 and F3. Find the resultant force.
Four forces, each of magnitude 2750 lb, act at the same point. The angle between adjacent forces is 30.0°. Find the resultant force.
Find the force F that will produce equilibrium in each forcediagram.
1. Five persons are having a tug-of-war. Kurt and Brian are on the left; Amy, Barbara, and Joyce are on the right. Amy pulls with a force of 225 N, Barbara pulls with a force of 495 N, Joyce pulls with a force of 455 N, and Kurt pulls with a force of 605 N. With what force must Brian pull to
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
Find the forces F1 and F2 that produce equilibrium in each forcediagram.
A rope is attached to two buildings and supports a 500-lb sign (Figure).Find the tensions in the two ropes T1 and T2.
If the angle between the horizontal and the ropes in Problem 19 is changed to 10.0°, what are the tensions in the two ropes T1 and T2?A rope is attached to two buildings and supports a 500-lb sign (Figure).Find the tensions in the two ropes T1 and T2.
If the angles between the horizontal and the ropes in Problem 19 are changed to 20.0° and 30.0°, find the tension in each rope.A rope is attached to two buildings and supports a 500-lb sign (Figure).Find the tensions in the two ropes T1 and T2.
Find the tension in the horizontal supporting cable and the compression in the boom of the crane that supports an 8900-N beam shown inFigure.
Find the tension in the horizontal supporting cable and the compression in the boom of the crane that supports a 1500-lb beam shown inFigure.
The frictional force of the mower shown in Figure is 20lb.What force must the man exert along the handle to push it at a constantvelocity?
A vehicle that weighs 16,200 N is parked on a 20.0Â° hill (Figure). What braking force is necessary to keep it from rolling?Neglect frictional forces.
Find the tension in the cable and the compression in the support of the sign shown inFigure.
The crane shown in Figure is supporting a load of 1850 lb.Find the tension in the supporting cable and the compression in theboom.
The crane shown in Figure is supporting a load of 11,500 N.Find the tension in the supporting cable and the compression in theboom.
Assume that each force is applied perpendicular to the torque arm.1. Given: F = 16.0 lbst = 6.00 ftτ =?2. Given: F = 100 Nst = 0.420 mτ =?3. Given: τ = 60.0 N mF = 30.0 Nst = ?4. Given: τ = 35.7 lb ftst = 0.0240 ft5. Given: τ = 65.4 N mst = 35.0 cm6. Given: F = 630 Nst = 74.0 cmτ =?
1. If the torque on a shaft of radius 2.37 cm is 38.0 N m (Figure), what force is applied to the shaft?2. If a force of 56.2 lb is applied to a torque wrench 1.50 ft long (Figure), what torque is indicated by the wrench?3. A motorcycle head bolt is torqued to 25.0 N m. What length shaft do we need
1. The torque on a shaft of radius 3.00 cm is 12.0 N m. What force is being applied to the shaft?2. An engine bolt is torqued to 30.0 N m. If the length of the wrench is 29.0 cm, what force is applied to the wrench?3. A mower bolt is torqued to 65.0 N m. If the length of the wrench is 30.0 cm, what
1. If 13 N m of torque is applied to a bolt with an applied force of 28 N, what is the length of the wrench?2. If the torque required to loosen a nut on the wheel of a pickup truck is 40.0 N m, what minimum force must be applied to the end of a wrench 30.0 cm long to loosen the nut?3. How is the
Find the force F that will produce equilibrium for each force diagram.1.2.3.4.5.6.7.8.Use the same procedure as in Example1.
A 90.0-kg painter stands 3.00 m from one end of an 8.00-m scaffold. If the scaffold is supported at each end by a stepladder, how much of the weight of the painter must each ladder support?
A 5000-lb truck is 20.0 ft from one end of a 50.0-ft bridge. A 4000-lb car is 40.0 ft from the same end. How much weight must each end of the bridge support? (Neglect the weight of the bridge.)
A 2400-kg truck is 6.00 m from one end of a 27.0-m-long bridge. A 1500-kg car is 10.0 m from the same end. How much weight must each end of the bridge support?
An auto transmission of mass 165 kg is located 1.00 m from one end of a 2.50-m bench. What weight must each end of the bench support?
A bar 8.00 m long supports masses of 20.0 kg on the left end and 40.0 kg on the right end. At what distance from the 40.0-kg mass must the bar be supported for the bar to balance?
Two painters, each of mass 75.0 kg, stand on a 12.0 m scaffold, 6.00 m apart and 3.00 m from each end. They share a paint container of mass 21.0 kg in the middle of the scaffold. What weight must be supported by each of the ropes secured to the ends of the scaffold?
Two painters, one of mass 75.0 kg and the other 90.0 kg, stand on a 12.00-m scaffold, 6.00 m apart and 3.00 m from each end. They share a paint container of mass 21.0 kg in the middle of the scaffold. What weight must be supported by each of the ropes secured at the end of the scaffold?
Two painters stand on a 10.00-m scaffold. One, of mass 65.0 kg, stands 2.00 m from one end. The other, of mass 95.0 kg, stands 4.00 m from the other end. They share a paint container of mass 18.0 kg located between the two and 2.50 m from the larger person. What weight must be supported by each of
An auto differential with a mass of 76.0 kg is 1.00 m from the end of a 2.22-m workbench. What mass must each end of the workbench support?
A chop saw with mass of 12.60 kg is 0.75 m from one end of a worktable that is 2.00 m long. What mass must each end of the table support?
Solve each problem using the methods outlined in this chapter.1. Solve for F1: 30.0F1 = (14.0) (18.0) + (25.0) (17.0)2. Solve for Fw: (12.0) (15.0) + 45.0Fw = (21.0) (65.0) + (22.0) (32.0)3. Two workers carry a uniform 15.0-ft plank that weighs 22.0 lb (Figure). A load of blocks weighing 165 lb is
Juan and Pablo carry a load weighing 720 N on a pole between them. (a) If the pole is 2.0 m long and the load is 0.50 m from Pablo, what force does each person support? Neglect the weight of the pole. (b) If the weight of the 120-N pole is considered, what force does each person support?
A wooden beam is 3.30 m long and has its center of gravity 1.30 m from one end. If the beam weighs 1500 N, what force is needed to support each end?
An auto engine weighs 650 lb and is located 4.00 ft from one end of a 10.0-ft workbench. If the bench is uniform and weighs 75.0 lb, what weight must each end of the bench support?
A bridge across a country stream weighs 89,200 N. A large truck stalls 4.00 m from one end of the 9.00-m bridge. What weight must each of the piers support if the truck weighs 98,000 N?
A window washer’s scaffold 12.0 ft long and weighing 75.0 lb is suspended from each end. One washer weighs 155 lb and is 3.00 ft from one end. The other washer is 4.00 ft from the other end. If the force supported by the end near the first washer is 200 lb, how much does the second washer weigh?
A porch swing weighs 29.0 lb. It is 4.40 ft long and has a dog weighing 14.0 lb sleeping on it 1.90 ft from one end and a 125-lb person sitting 1.00 ft from the other end.What weight must the support ropes on each end hold up?
A wooden plank is 5.00 m long and supports a 75.0-kg block 2.00 m from one end. If the plank is uniform with mass 30.0 kg, how much force is needed to support each end?
A bridge has a mass of 1.60 x 104 kg, is 21.0 m long, and has a 3500-kg truck 7.00 m from one end. What force must each end of the bridge support?
A uniform steel beam is 5.00 m long and weighs 360 N. What force is needed to lift one end?
A wooden pole is 4.00 m long, weighs 315 N, and has its center of gravity 1.50 m from one end. What force is needed to lift each end?
A bridge has a mass of 2.60 x 104 kg is 32.0 m long, and has a 3500-kg truck 15.0 m from one end. What force must each end of the bridge support?
An auto engine of mass 295 kg is located 1.00 m from one end of a 4.00-m workbench. If the uniform bench has a mass of 45.0 kg, what weight must each end of the bench support?
A 125-kg horizontal beam is supported at each end. A 325-kg mass rests one-fourth of the way from one end. What weight must be supported at each end?
The sign shown in Figure is 4.00 m long, weighs 1550 N, and is made of uniform material. A weight of 245 N hangs 1.00 m from the end.Find the tension in each supportcable.
The uniform bar in Figure is 5.00 m long and weighs 975 N. A weight of 255 N is attached to one end while a weight of 375 N is attached 1.50 m from the other end.(a) Find the tension in the cable.(b) Where should the cable be tied to lift the bar and its weights so that the bar hangs in a
Find the magnitude, direction, and placement (from point A) of a parallel vector F6 that will produce equilibrium in each forcediagram.
Find the magnitude, direction, and placement (from point A) of a parallel vector F6 that will produce equilibrium in each forcediagram.
1. Find the sum of the following forces acting at the same point in a straight line: 345 N (right); 108 N (right); 481 N (left); 238 N (left); 303 N (left).2. Forces of 275 lb and 225 lb act at the same point. (a) What is the magnitude of the maximum net force the two forces can exert together? (b)
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
Find the sum of each set of vectors. Give angles in standardposition.
Forces of F1 = 1250 N, F2 = 625 N, and F3 = 1850 N are applied at the same point. The angle between F1 and F2 is 120.0° and the angle between F2 and F3 is 30.0°. F2 is between F1 and F3. Find the resultant force.
1. Eight people are involved in a tug-of-war. The blue team members pull with forces of 220 N, 340 N, 180 N, and 560 N. Three members of the red team pull with forces of 250 N, 160 N, and 420 N. With what force must the fourth person pull to maintain equilibrium?2. A bridge has a weight limit of
If Wy = 600 N and Wx = 900 N, what are the magnitude and direction of the resultant W?
Find forces F1 and F2 that produce equilibrium in each forcediagram.
Find forces F1 and F2 that produce equilibrium in each forcediagram.
Find the tension in the cable and the compression in the support of the sign shown inFigure.
Find the tension in each cable inFigure
Find the tension in each cable inFigure.
Find the tension and the compression inFigure.
1. A man is changing a flat tire using a tire iron that is 50.0 cm long. If he exerts a force of 53.0 N, how much torque (in N m) does he produce?2. A torque of 81.0 lb ft is produced by a torque arm of 3.00 ft. What force is being applied?3. A hanging sign has mass 200 kb. If the tension in one
If the truck in Problem 23 stops 7.00 m from one end of the 26.0-m bridge, what weight must each end support?In problem 23, A bridge has mass 8000 kg. If a 3200-kg truck stops in the middle of the bridge, what mass must each pier support?
A uniform 2.20-kg steel bar with length 2.70 m is suspended on each end by a chain. A 40.0-kg person hangs 70.0 cm from one end while a 55.0-kg person hangs 50.0 cm from the other end. Another person pushes up halfway between the two persons with a force of 127 N. How much weight does each chain
Find the vertical force needed to support the 4.00-m-long uniform beam in Figure, which weighs 3475 N.

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