A sled with a mass of 5.80 kg is pulled along the ground through a displacement given
Question:
A sled with a mass of 5.80 kg is pulled along the ground through a displacement given by d(vector) = (4.55 m)x̂. (Let the x axis be horizontal and the y axis be vertical.)
(a) How much work is done on the sled when the force acting on it is F(vector) = (2.89 N) x̂ + (0.131 N)ŷ?
(b) How much work is done on the sled when the force acting on it is F(vector) = (2.89 N)x̂ + (0.231 N)ŷ?
(c) If the mass of the sled is increased, does the work done by the forces in parts (a) and (b) increase, decrease, or stay the same? Explain.
Step by Step Answer:
Use Equation 71 to find the work done on the sled keeping in mind t...View the full answer
Related Video
In Physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. In this video, the concept of force and torque is demonstrated with the practical application of changing the flat tire of the car.
Students also viewed these Mechanics questions
-
A rocket sled with a mass of 2900 kg moves at 250 m/s on a set of rails. At a certain point, a scoop on the sled dips into a trough of water located between the tracks and scoops water into an empty...
-
A father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m, as illustrated in Fig. 5.27a. If the total mass of the sled and the girl is 35 kg and the...
-
A crate has a weight of 1500 lb. If it is pulled along the ground at a constant speed for a distance of 20 ft, and the towing cable makes and angle of 15o with the horizontal, determine the tension...
-
To build each unit of a certain product Z , a firm needs one unit of component W and two units of component Y . Each unit of Yin turn requires one unit of component X and three units of W . Finally,...
-
Option Pricing you notice that shares of stock in the Patel Corporation are going for $50 per share. Call options with an exercise price of $35 per share are selling for $10. Whats wrong here?...
-
After the airline industry was deregulated, a series of mergers created a four-carrier oligopoly with an 85 percent market share. Reduced competition brought worse service and higher fares. With...
-
For the following simulation problems, consult Table 7.2 and list the design decision variables. (a) An equimolar mixture of benzene and toluene in a process stream is in the liquid state at \(300...
-
Beck was the general manager of Chilkoot Lumber Co. Haines sold fuel to the company. To persuade Haines to sell on credit, Beck signed a paper by which he promised to pay any debt the lumber company...
-
How does the use of dynamic process simulation differ from steady-state simulation, particularly in terms of modeling process transients and evaluating system robustness to disturbances ?
-
Sketch vo for the network of Fig. 2.169 and determine the dc voltage available. 100 V Ideal diodes -100 V 2.2 k 2.2 k 2.2 k
-
The water skier in Figure 7-20 is at an angle of 32.5 with respect to the center line of the boat, and is being pulled at a constant speed of 15.6 m/s. If the tension in the tow rope is 111 N, (a)...
-
A 0.19-kg apple falls from a branch 3.5 m above the ground. (a) Does the power delivered to the apple by gravity increase, decrease, or stay the same during the time the apple falls to the ground?...
-
At the instant shown, the bicyclist at A is traveling at 7 m/s around the curve on the race track while increasing the bicycles speed at 0.5 m/s 2 . The bicyclist at B is traveling at 8.5 m/s along...
-
Many people enjoy watching movies, sporting events, and music performances in crowded theaters and arenas more than they like watching them at home alone. Which theory of emotions may help explain...
-
Dreams most often occur in __________sleep.
-
Focusing on one of the five major perspectives in use today (that is, neuroscience, psychodynamic, behavioral, cognitive, and humanistic), can you describe the kinds of research questions and studies...
-
What is memory?
-
By observing genetically similar animals in differing environments, we can increase our understanding of the influences of hereditary and environmental factors in humans. True or false?
-
On December 2, 2021, Nudesign Furniture Ltd. purchased a $150,000, Canadian government 120-day treasury bill for $148,900. On December 31, $275 of interest had accrued on the treasury bill. On April...
-
What are the main distinctions between the different schools of legal interpretation?
-
(a) If the legendary apple of Newton could be released from rest at a height of 2 m from the surface of a neutron star with a mass 1.5 times that of our Sun and a radius of 20 km, what would be the...
-
Some people believe that the positions of the planets at the time of birth influence the newborn. Others deride this belief and claim that the gravitational force exerted on a baby by the...
-
A certain triple-star system consists of two stars, each of mass m, revolving in the same circular orbit of radius r around a central star of mass M (Figure).The two orbiting stars are always at...
-
An air stripping tower is being designed to treat carbon tetrachloride from 500 to 5 g/L at a temperature of 25 C with a stripping factor of 8. Determine the operating airtowater ratio
-
If the wind force has a magnitude of 65 N , with what tension must the worker pull in order to move the box at a constant velocity? Express your answer with the appropriate units
-
1. Write sonic anemometer, thermal (hot wire) anemometer, cup anemometer, or pitot tube after the statement that best describes its basic principle of operation. [4 points] a. Infers wind speed from...
Study smarter with the SolutionInn App