PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 17, Problem 4FP
To determine
The maximum acceleration of the truck without causing the assembly to move relative to the truck and the corresponding normal reaction on legs
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Students have asked these similar questions
For the given system, the cylinder of mass m is attached to a frictionless pulley. The chord attached to
the 60.0 kg block runs through the fixed drum with coefficient of friction equal to 0.20. The coefficient of
friction between the block and the incline is 0.15. Determine the range of mass m so that the system
remains at rest.
60 kg
u=0.20
H-0.15
20°
m
Solution guide:
Consider Case 1: the motion is impending down the plane.
o What are the forces acting on the 60 kg block?
o What is the direction of friction force?
o Calculate the tension force acting on the block. Is this the heavier tension or
the weaker tension?
Consider Case 2: the motion is impending up the plane.
o What are the forces acting on the 60 kg block?
o What is the direction of friction force this time?
o Calculate the tension force acting on the block. Is this the heavier tension or
the weaker tension?
(Note: Please match your answer to the provided answer, Answer: 16.4348 kg Sm S 85.0868 kg
Two bodies A and B, each weighing 96.6 lb, are connected by a rigid bar of negligible weight attached to them at their gravity centers. The coefficient of friction at the wall and floor is 0.268 if the bodies start from rest at the given position, determine the acceleration of B at this instant. Simplify the solution by creating dynamic equilibrium and taking a moment summation about the intersection of the wall and floor reactions. Explain why these reactions pass through the gravity center of B and A respectively.
The two 200-lb blocks are pushed apart by the 15° wedges of negligible weight.The angle of static friction is 12° at all contact surfaces.Determine the force P required to start the blocks moving.
Chapter 17 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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