PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 5, Problem 24P
To determine
The force
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Question 2:
The ideal spring of constant k-2.6 kN/m is attached to the disk at point A and the end fitting at point
B, as shown. The spring is unstretched when OA and Oв are both zero. If the disk is rotated 15° clockwise
and the end fitting is rotated 30°counterclockwise, determine the vector expression for the spring force
F. (
Determine distance C so that the moment the spring force makes about the Z axis is equal to 10.82
N.m. (
A = 15°.
C
A
250 mm
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900 mm k= 2.6 kN/m
OB = 30°
B
LC
7-y
200 mm
Q4 - Two blocks A and B of weight 350 N and 600 N,
respectively are connected by a cord that passes over a
frictionless pulley, as shown in the Figure 8. Determine the
force P to be applied to block B to produce the impending
motion of block B down the plane.
Pa 0.5
50°
Pa 0.4
30°
When activated by the force P,the gripper on a robotic arm is able to pick up objects by applying the gripping force F as shown in the figure below. Given that P = 120N,calculate the gripping force F in N for the position shown.
Chapter 5 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
Ch. 5 - Determine the horizontal and vertical components...Ch. 5 - Determine the horizontal and vertical components...Ch. 5 - The truss is supported by a pin at A and a roller...Ch. 5 - Prob. 4FPCh. 5 - The 25 kg bar has a center of mass at G. If it is...Ch. 5 - Prob. 6FPCh. 5 - Determine the reactions at the supports. Prob....Ch. 5 - Determine the horizontal and vertical components...Ch. 5 - Determine the reactions at the supports. Prob....Ch. 5 - A uniform glass rod having a length L is placed in...
Ch. 5 - If the intensity of the distributed load acting on...Ch. 5 - Prob. 23PCh. 5 - Prob. 24PCh. 5 - Prob. 25PCh. 5 - Prob. 27PCh. 5 - Prob. 30PCh. 5 - Prob. 35PCh. 5 - The cantilevered jib crane is used to support the...Ch. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - Determine the stiffness k of each spring so that...Ch. 5 - The boom supports the two vertical loads. Neglect...Ch. 5 - Prob. 43PCh. 5 - The 10-kg uniform rod is pinned at end A. If It is...Ch. 5 - Prob. 46PCh. 5 - Prob. 47PCh. 5 - Prob. 48PCh. 5 - Prob. 53PCh. 5 - The uniform rod has a length I and weight W. It is...Ch. 5 - Prob. 7FPCh. 5 - Prob. 8FPCh. 5 - Prob. 9FPCh. 5 - Determine the support reactions at the smooth...Ch. 5 - Prob. 11FPCh. 5 - Determine the components of reaction that the...Ch. 5 - The uniform loads has a mass of 600 kg and is...Ch. 5 - The 100-lb door has its center of gravity at G....Ch. 5 - Determine me tension in each cable and the...Ch. 5 - The bent rod is supported at A, B, and C by smooth...Ch. 5 - The bent rod is supported at A, B, and C by smooth...Ch. 5 - Prob. 77PCh. 5 - Prob. 78PCh. 5 - Prob. 80PCh. 5 - Prob. 82PCh. 5 - The bar AB is supported by two smooth collars. At...Ch. 5 - Prob. 84PCh. 5 - Prob. 85PCh. 5 - Prob. 86PCh. 5 - Both pulleys are fixed to the shaft and as the...Ch. 5 - Member AB is supported by a cable BC and at A by a...Ch. 5 - Prob. 2RPCh. 5 - Prob. 4RP
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- Draw a free-body diagram for this system.arrow_forward2: This fuel pump uses the reciprocating action of rocker arm ABC. The arm is pinned at B and is spring loaded at A and D. Calculate the forces acting at pin B and in the spring at point D. FA=60 N A 50 mm 10 mm D Fe= 125 N -20 mmarrow_forwardThere are two parallel forces and two pure moments in the figure. What distance "d" must separate the forces in order for the system to be in equilibrium? F = 9 N, M1 = 15 N-m, M2 = 69 N-m, = 60 degrees, a = 1 m, b = 1 m, c = 2 marrow_forward
- The figure shows a control bar, subjected to a force of 90N. Since the length of the bar is 225 mm and the moment of the clockwise force on B is 13.5 N.m, determine the value of α. Solve the problem using scalar notation and explain your result.arrow_forwardUse the method of members to find the components of the forces acting on the frame with P=750N and Q=3000Narrow_forwardThe operation of the fuel pump for an automobile depends on the reciprocating action of the rocker arm ABC, which is pinned at B and is spring loaded at A and D. The smooth cam C is in the position shown. The vertical force acting on the rocker arm at A is F = 80 N, and at C it is Fc = 115 N. (Figure 1) Figure 10 m 1 of 1 > 20 mm- Part A Determine the z and y components of the reaction force on the rocker arm ABC at the pin for equilibrium. Express your answers using three significant figures separated by a comma. B. By Submit Part B Az it vec Bequest Answer FD- Value Determine the magnitude of the force along the spring DF for equilibrium, Express your answer to three significant figures and include the appropriate units. Submit Request Answer Units ? ? Narrow_forward
- When activated by the force P, the gripper on a robotic arm is able to pick up objects by applying the gripping force F as shown in the figure below. Given that P = 120 N, calculate the gripping force F in N for the position shown.arrow_forwardAn eye bolt is used to attach 3 cables to a steel plate. The tension in the three cables create F1=200 lbf, F2=250 lbf, and F3=100 lbf with 0 = 30 degrees and p=24.1 degrees. If the eye bolt is in equilibrium, what is the x-component of the sum of other forces on the bolt (force from the nut and plate on the bolt) ? If you add up the three force vectors, the sum other force you are looking for will just be in the opposite direction to put the eye bolt in equilibrium. The x-direction is positive to the right. For example, if you find the sum of forces 1, 2, and 3 are 100 Ibf to the right, then the other forces in the x-direction must be pointing to the left (-100 lbf) to put the eye bolt in equilibrium. Eye bolt 2steel 3 plate Nut t Wonsherarrow_forward5) In the figure shown below the person pulls the cable vertically downward to move box number 1, find the amount of tension in the cable at the start of the motion, assuming W1=W2= 500 N, p1=0.3 and p2=0.6.arrow_forward
- The spring ABC has a stiffness of 500N/m and an unstretched length of 6m. Calculate the horizontal force, F applied to the cord which is attached at B so that the displacement of the pulley from the wall is d= 1.5m. A k = 500 N/m 6 m F k = 500 N/m Fig. Q3 Force equation: Force equation 3D Moment 3D Cosine rule R - 4 +B-2AB cos e F- Fi+Fj+Fk Ff = F +F +F moment about a point M-rxF Sine rule F| di+dj+dk F F3 Fc sin 4 sin B sinC moment about an axis M=rF Force resultant R-R R +R R. 8= tan Rarrow_forward2 m 3 m 0.75 m 30° 1m 60° y F The system shown is supported by journal bearings at points A, B, and C. The applied force F has a magnitude of 1000N. Take the following support reactions: •Cx=-100 N (acting in negative x-direction) Cy = -1000 N (acting in negative y-direction) • By = +750 N (acting in positive y-direction) Which of the following is closest to the magnitude of the force reaction at A in the z- direction (i.e. Az)? 身arrow_forwardThe forces acting on the arm of an athlete doing shoulder exercises are shown in the figure. The athlete holds his arm at an angle of β=15° with the horizontal axis. Point O represents the axis of rotation in the shoulder joint, point A represents the connection point of the deltoid muscle to the humerus, point B represents the center of gravity of the arm, and point C represents the application point of the force acting on the hand. The distances between the rotation axis (O point) of the shoulder joint and the points A, B and C are a=20 cm, b =33 cm and c= 65 cm, respectively. The athlete's hand is exerted by a force of F= 150 N, which makes an angle of γ=30° with the vertical from the point C. The weight of the athlete's arm is W= 100 N. The direction of application of the Fm muscle force makes an angle of α=25° with the longitudinal axis of the arm. According to this; a) Calculate the FM muscle strength. b) Calculate the angle θ of the FJ joint reaction force with the horizontal.…arrow_forward
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