EP ENGR.MECH.:DYNAMICS-REV.MOD.MAS.ACC.
14th Edition
ISBN: 9780133976588
Author: HIBBELER
Publisher: PEARSON CO
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Chapter 13.6, Problem 85P
If the cam is rotating at a constant rate of 6 rad/s, determine the force at the end A of the follower when θ = 45°. In this position the spring is compressed 0.4 ft. Neglect friction at the bearing C.
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Determine the steady-state angle α if the constant force P = 180 N is applied to the cart of mass M = 9 kg. The cart travels on the slope of angle θ = 16°. The pendulum bob has mass m = 3 kg and the rigid bar of length L = 1.2 m has negligible mass. Ignore all friction.
The smooth surface of the vertical cam is defined in part by the curve r = (0.2 cos 0+0.3) m.
Plac41
Figure
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Part A
If the forked rod is rotating with a constant angular velocity of A = 4 rad/s, determine the force the
cam and the rod exert on the 1.8-kg roller when 0 = 30°. The attached spring has a stiffnesss
k= 30 N/m and an unstretched length of 0.1 m.
Express your answers in newtons using three significant figures separated by a comma.
Neam, Frod =
ΑΣΦ
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vec
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1 of 1
N
The spring-held follower AB has a mass of 0.5 kg and moves back andforth as its end rolls on the contoured surface of the cam, where r = 0.15 m and z =(0.02 cos 2θ) m. If the cam is rotating at a constant rate of 30 rad/s, determine theforce component Fz at the end A of the follower when θ = 30°. The spring isuncompressed when θ = 90°. Neglect friction at the bearing C.
Chapter 13 Solutions
EP ENGR.MECH.:DYNAMICS-REV.MOD.MAS.ACC.
Ch. 13.4 - In each case, determine its velocity when t = 2 s...Ch. 13.4 - In each case, determine its velocity at s = 8 m if...Ch. 13.4 - Determine the initial acceleration of the 10-kg...Ch. 13.4 - Write the equations of motion in the x and y...Ch. 13.4 - The motor winds n the cable with a constant...Ch. 13.4 - If motor M exerts a force of F = (10t2 + 100) N on...Ch. 13.4 - A spring of stiffness k = 500 N/m is mounted...Ch. 13.4 - The spring has a stiffness k = 200 N/m and is...Ch. 13.4 - Block B rests upon a smooth surface. If the...Ch. 13.4 - The 6-lb particle is subjected to the action of...
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