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engineering
civil engineering

Engineering Mechanics Statics 11 Edition Russell C. Hibbeler - Solutions

A sewer pipe is to be laid from station 10+00 to station 13+20 on a -1% grade, starting with invert elevation 326.32ft. At 10+00 Calculate invert elevations at each 50ft station along line.
Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured counterclockwise from the positive x axis.Given:F1 = 600 NF2 = 800 NF3 = 450 Nα = 45 degβ = 60 degγ = 75 deg
Determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis.Given:F1 = 80 lbF2 = 60 lbθ = 120 deg
Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured counterclockwise from the positive x axis.Given:F1 = 250 lbF2 = 375 lbθ = 30 degφ = 45 deg
Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured counterclockwise from the positive u axis.Given:F1 = 300 NF2 = 500 Nα = 30 degβ = 45 degγ = 70
Resolve the force F1 into components acting along the u and v axes and determine the magnitudes of the components.Given:F1 = 300 Nα = 30 degF2 = 500 Nβ = 45 degγ = 70 deg
Resolve the force F2 into components acting along the u and v axes and determine the magnitudes of the components.Given:F1 = 300 NF2 = 500 Nα = 30 degβ = 45 degγ = 70 deg
Determine the magnitude of the resultant force FR = F1 + F2 and its direction measured counterclockwise from the positive u axis.Given:F1 = 25 lbF2 = 50 lbθ1 = 30 degθ2 = 30 degθ3 =
Resolve the force F1 into components acting along the u and v axes and determine the components.Given:F1 = 25 lbF2 = 50 lbθ1 = 30 degθ2 = 30 degθ3 = 45 deg
Resolve the force F2 into components acting along the u and v axes and determine the components.Given:F1 = 25 lbF2 = 50 lbθ1 = 30 degθ2 = 30 degθ3 = 45 deg
Determine the components of the F force acting along the u and v axes.Given:θ1 = 70 degθ2 = 45 degθ3 = 60 degF = 250 N
The force F acts on the gear tooth. Resolve this force into two components acting along the lines aa and bb.Given:F = 20 lbθ1 = 80 degθ2 = 60 deg
The component of force F acting along line aa is required to be Fa. Determine the magnitude of F and its component along line bb.Given:Fa = 30 lbθ1 = 80 degθ2 = 60 deg
A resultant force F is necessary to hold the balloon in place. Resolve this force into components along the tether lines AB and AC, and compute the magnitude of each component.Given:F = 350
The post is to be pulled out of the ground using two ropes A and B. Rope A is subjected to force F1 and is directed at angle θ1 from the horizontal. If the resultant force acting on the post is
Resolve the force F1 into components acting along the u and v axes and determine the magnitudes of the components.Given:F1 = 250 NF2 = 150 Nθ1 = 30 degθ2 = 30 degθ3 = 105 deg
Resolve the force F2 into components acting along the u and v axes and determine the magnitudes of the components.Given:F1 = 250 NF2 = 150 Nθ1 = 30 degθ2 = 30 degθ3 = 105 deg
Determine the magnitude and direction of the resultant force FR. Express the result in terms of the magnitudes of the components F1 and F2 and the angle φ.
If the tension in the cable is F1, determine the magnitude and direction of the resultant force acting on the pulley. This angle defines the same angle θ of line AB on the tailboard
The riveted bracket supports two forces. Determine the angle θ so that the resultant force is directed along the negative x axis. What is the magnitude of this resultant force?Given:F1 = 60
The plate is subjected to the forces acting on members A and B as shown. Determine the magnitude of the resultant of these forces and its direction measured clockwise from the positive x
Determine the angle θ for connecting member B to the plate so that the resultant of FA and FB is directed along the positive x axis. What is the magnitude of the resultant force?Given:FA = 400
Determine the magnitude and direction of the resultant FR = F1 + F2 + F3 of the three forces by first finding the resultant F' = F1 + F2 and then forming FR = F' + F3.Given:F1 = 30 NF2 = 20 NF3 = 50
Determine the magnitude and direction of the resultant FR = F1 + F2 + F3 of the three forces by first finding the resultant F' = F2 + F3 and then forming FR = F' + F1.Given:F1 = 30 NF2 = 20 NF3 = 50
Resolve the force F into components acting along(a) The x and y axes, and(b) The x and y' axes.Given:F = 50 lbα = 65 degβ = 45 degγ = 30 deg
The boat is to be pulled onto the shore using two ropes. Determine the magnitudes of forces T and P acting in each rope in order to develop a resultant force F1, directed along the keel axis aa as
The boat is to be pulled onto the shore using two ropes. If the resultant force is to be F1, directed along the keel aa as shown, determine the magnitudes of forces T and P acting in each rope and
The beam is to be hoisted using two chains. Determine the magnitudes of forces FA and FB acting on each chain in order to develop a resultant force T directed along the positive y axis.Given:T = 600
The beam is to be hoisted using two chains. If the resultant force is to be F, directed along the positive y axis, determine the magnitudes of forces FA and FB acting on each chain and the
Three chains act on the bracket such that they create a resultant force having magnitude FR. If two of the chains are subjected to known forces, as shown, determine the orientation θ of the
Three cables pull on the pipe such that they create a resultant force having magnitude FR. If two of the cables are subjected to known forces, as shown in the figure, determine the direction θ
Determine the x and y components of the force F.SGiven:F = 800 lbα = 60 degβ = 40 deg
Determine the magnitude of the resultant force and its direction, measured clockwise from the positive x axis.Given:F1 = 70 NF2 = 50 NF3 = 65 Nθ = 30 degφ = 45 deg
Determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis.Given:F1 = 50 lbF2 = 35 lbα = 120 degβ = 25 deg
Determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.Given:F1 = 850 NF2 = 625 NF3 = 750 Nθ = 45 degφ = 30 degc = 3d = 4
Three forces act on the bracket. Determine the magnitude and direction θ of F1 so that the resultant force is directed along the positive x' axis and has a magnitude of FR. Units Used: kN = 103
Determine the magnitude and direction, measured counterclockwise from the x' axis, of the resultant force of the three forces acting on the bracket.Given:F1 = 300 NF2 = 450 NF3 = 200 Nα = 45
Determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.Given:F1 = 800 NF2 = 600 Nθ = 40 degc = 12d = 5
Determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.Units Used: kN = 103 NGiven:F1 = 30kNF2 = 26kNθ = 30 degc = 5d = 12
Determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis.Given:F1 = 60 lbF2 = 70 lbF3 = 50 lbθ1 = 60 degθ2 = 45 degc = 1d = 1
Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured counterclockwise from the positive x axis by summing the rectangular or x, y components of the forces to obtain
Determine the magnitude and direction of the resultant FR = F1 + F2 + F3 of the three forces by summing the rectangular or x, y components of the forces to obtain the resultant force.Given:F1 = 30
Determine the magnitude and orientation, measured counterclockwise from the positive y axis, of the resultant force acting on the bracket.Given:FA = 700 NFB = 600 Nθ = 20 degφ = 30 deg
Determine the magnitude and direction, measured counterclockwise from the positive x' axis, of the resultant force of the three forces acting on the bracket.Given:F1 = 300 NF2 = 200 NF3 = 180
Determine the x and y components of F1 and F2.Given:F1 = 200 NF2 = 150 Nθ = 45 degφ = 30 deg
Determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.Given:F1 = 200 NF2 = 150 Nθ = 45 degφ = 30 deg
Determine the x and y components of each force acting on the gusset plate of the bridge truss.Given:F1 = 200 lb c = 3F2 = 400 lb d = 4F3 = 300 lb e = 3F4 = 300 lb f = 4
Determine the magnitude of the resultant force and its direction measured clockwise from the positive x axis. Units Used: kN = 103 NGiven:F1 = 20 kNF2 = 40 kNF3 = 50 kNθ = 60 degc = 1d = 1e =
Three forces act on the bracket. Determine the magnitude and direction θ of F1 so that the resultant force is directed along the positive x' axis and has magnitude FR.Given:F2 = 200 NF3 = 180
Determine the magnitude and direction, measured counterclockwise from the positive x' axis, of the resultant force acting on the bracket.Given:F1 = 300 NF2 = 200 NF3 = 180 Nθ1 = 60 degθ =
Express each of the three forces acting on the column in Cartesian vector form and compute the magnitude of the resultant force.Given:F1 = 150 lb θ = 60 degF2 = 275 lb c = 4F3 = 75 lb d = 3
Determine the magnitude of force F so that the resultant FR of the three forces is as small as possible. What is the minimum magnitude of FR?Units Used: kN = 1000 NGiven:F1 = 5 kNF2 = 4 kNθ =
Express each of the three forces acting on the bracket in Cartesian vector form with respect to the x and y axes. Determine the magnitude and direction θ of F1 so that the resultant force is
The three concurrent forces acting on the post produce a resultant force FR = 0. If F2 = (1/2)F1, and F1 is to be 90° from F2 as shown, determine the required magnitude F3 expressed in terms of
Three forces act on the bracket. Determine the magnitude and orientation θ of F2 so that the resultant force is directed along the positive u axis and has magnitude FR.Given:FR = 50 lbF1 = 80
Determine the magnitude and orientation, measured clockwise from the positive x axis, of the resultant force of the three forces acting on the bracket.Given:F1 = 80 lbF2 = 150 lbF3 = 52lbθ = 55
Three forces act on the ring. Determine the range of values for the magnitude of P so that the magnitude of the resultant force does not exceed F. Force P is always directed to the right.Units Used:
Determine the magnitude and coordinate direction angles of F1 and F2. Sketch each force on an x, y, z reference. Given:
Express each force in Cartesian vector form.Units Used: kN = 103 NGiven:F1 = 5kNF2 = 2kNθ1 = 60 degθ2 = 60 degθ3 = 45 deg
Determine the magnitude and coordinate direction angles of the force F acting on the stake.Given:Fh = 40Nθ = 70degc = 3d = 4
Express each force in Cartesian vector form.Given:F1 = 400 lbF2 = 600 lbθ1 = 45 degθ2 = 60 degθ3 = 60 degθ4 = 45 degθ5 = 30 deg
The stock S mounted on the lathe is subjected to a force F, which is caused by the die D. Determine the coordinate direction angle β and express the force as a Cartesian vector. Given: F = 60
Determine the magnitude and coordinate direction angles of the resultant force.Given:F1 = 80 lbF2 = 130 lbθ = 40 degφ = 30 deg
Specify the coordinate direction angles of F1 and F2 and express each force as a Cartesian vector.Given:F1 = 80 lbF2 = 130 lbφ = 30 degθ = 40 deg
The mast is subjected to the three forces shown. Determine the coordinate angles α1, β1, γ1 of F1 so that the resultant force acting on the mast is FRi.Given:FR = 350 NF1 = 500 NF2 =
The mast is subjected to the three forces shown. Determine the coordinate angles α1, β1, γ1 of F1 so that the resultant force acting on the mast is zero.Given:F1 = 500 NF2 = 200 NF3
The shaft S exerts three force components on the die D. Find the magnitude and direction of the resultant force. Force F2 acts within the octant shown.Given:F1 = 400 NF2 = 300 NF3 = 200 Nα2 =
The beam is subjected to the two forces shown. Express each force in Cartesian vector form and determine the magnitude and coordinate direction angles of the resultant force.Given:F1 = 630 lb
Determine the magnitude and coordinate direction angles of the resultant force.Given:F1 = 350 N α = 60 degF2 = 250N β = 60 degc = 3 γ = 45 degd = 4 θ = 30 deg
Determine the magnitude and coordinate direction angles of F3 so that the resultant of the three forces acts along the positive y axis and has magnitude F.Given:F = 600 lbF1 = 180 lbF2 = 300
Determine the magnitude and coordinate direction angles of F3 so that the resultant of the three forces is zero.Given:F1 = 180 lb α 1 = 30 degF2 = 300 lb α 2 = 40 deg
Specify the magnitude F3 and directions α3, β3, and γ3 of F3 so that the resultant force of the three forces is FR.Units Used:kN = 103 NGiven:F1 = 12kN c = 5F2 = 10kN d = 12θ
The pole is subjected to the force F, which has components acting along the x, y, z axes as shown. Given β and γ, determine the magnitude of the three components of F.Units Used:kN = 1000
The pole is subjected to the force F which has components Fx and Fz. Determine the magnitudes of F and Fy.Units Used:kN = 1000 NGiven:Fx = 1.5kNFz = 1.25kNβ = 75 deg
The eye bolt is subjected to the cable force F which has a component Fx along the x axis, a component Fz along the z axis, and a coordinate direction angle β.Determine the magnitude of
Three forces act on the hook. If the resultant force FR has a magnitude and direction as shown, determine the magnitude and the coordinate direction angles of force F3.Given:FR = 120 NF1 = 80 NF2 =
Determine the coordinate direction angles of F1 and FR.Given:FR = 120 NF1 = 80 NF2 = 110 Nc = 3d = 4θ = 30 degφ = 45 deg
The pole is subjected to the force F, which has components acting along the x, y, z axes as shown. Given the magnitude of F and the angles α and γ, determine the magnitudes of the
Two forces F1 and F2 act on the bolt. If the resultant force FR has magnitude FR and coordinate direction angles α and β, as shown, determine the magnitude of F2 and its coordinate
Given r1, r2, and r3, determine the magnitude and direction of r = 2r1 − r2 + 3r3. Given:
Represent the position vector r acting from point A (a, b, c) to point B (d, e, f) in Cartesian vector form. Determine its coordinate direction angles and find the distance between points A and B.
A position vector extends from the origin to point A (a, b, c). Determine the angles α, β, γ which the tail of the vector makes with the x, y, z axes, respectively. Given: a
Express the position vector r in Cartesian vector form; then determine its magnitude and coordinate direction angles.Given:a = 4 mb = 8 mc = 3 md = 4 m
Express the position vector r in Cartesian vector form; then determine its magnitude and coordinate direction angles.Given:a = 8 ftb = 2 ftc = 5 ftθ = 30 degφ = 20 deg
Determine the length of the connecting rod AB by first formulating a Cartesian position vector from A to B and then determining its magnitude.Given:b = 16 ina = 5 inα = 30 deg
Determine the length of member AB of the truss by first establishing a Cartesian position vector from A to B and then determining its magnitude.Given:a = 1.2 mb = 0.8 mc = 0.3 md = 1.5 mθ = 40
The positions of point A on the building and point B on the antenna have been measured relative to the electronic distance meter (EDM) at O. Determine the distance between A and B. Hint: Formulate a
Determine the lengths of cords ACB and CO. The knot at C is located midway between A and B.Given:a = 3 ftb = 6 ftc = 4 ft
Determine the length of the crankshaft AB by first formulating a Cartesian position vector from A to B and then determining its magnitude.Given:a = 400b = 125θ = 25 deg
Determine the length of wires AD, BD, and CD. The ring at D is midway between A and B.Given:a = 0.5 mb = 1.5 mc = 2 md = 2 me = 0.5 m
Express force F as a Cartesian vector; then determine its coordinate direction angles.Given:F = 600 lb c = 3 fta = 1.5 ft φ = 60 degb = 5 ft
Express force F as a Cartesian vector; then determine its coordinate direction angles.Given:a = 1.5 ftb = 5 ftc = 3 ftθ = 60 degF = 600 lb
Determine the magnitude and coordinate direction angles of the resultant force acting at point A.Given:F1 = 150 NF2 = 200 Na = 1.5 mb = 4 mc = 3 md = 2 me = 3 mθ = 60 deg
The plate is suspended using the three cables which exert the forces shown. Express each force as a Cartesian vector.Given:FBA = 350 lbFCA = 500 lbFDA = 400 lba = 3 ftb = 3 ftc = 6 ftd = 14 fte = 3
The engine of the lightweight plane is supported by struts that are connected to the space truss that makes up the structure of the plane. The anticipated loading in two of the struts is shown.
The window is held open by cable AB determine the length of the cable and express the force F acting at A along the cable as a Cartesian vector.Given:a = 300 mmb = 500 mmc = 150 mmd = 250 mmθ =
The force acting on the man, caused by his pulling on the anchor cord, is F. If the length of the cord is L, determine the coordinates A(x, y, z) of the anchor.Given:F = (40 20 −50) NL = 25 m
Express each of the forces in Cartesian vector form and determine the magnitude and coordinate direction angles of the resultant force.Given:F1 = 80 lb c = 4 ftF2 = 50 lb d = 2.5 fta = 6 ft e = 12b =
The cable attached to the tractor at B exerts force F on the framework. Express this force as a Cartesian vector.Given:F = 350 lba = 35 ftb = 50 ftθ = 20 deg
The cable OA exerts force F on point O. If the length of the cable is L, what are the coordinates (x, y, z) of point A?Given:F = (40 60 70)L = 3 m

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