
Concept explainers
(a)
The acceleration of the crate.
(a)

Answer to Problem 104P
The acceleration of the crate is
Explanation of Solution
Let
Write the expression for the frictional force acting on mass
Here,
Write the expression for frictional force acting on mass
Here,
Write the expression for the total force acting on
Here,
Substitute, equation (I) in (III), and rearrange to obtain an expression for
Write the expression for total force acting on mass
Substitute equation (IV) in (V), and rearrange to obtain an expression for
Conclusion:
Substitute,
Therefore, the acceleration of the crate is
(b)
The tension of the rope connecting two wires.
(b)

Answer to Problem 104P
The tension of the rope connecting two wires is
Explanation of Solution
Use equation (IV) to find the tension.
Conclusion:
Substitute,
Therefore, the tension of the rope connecting two wires is
(c)
The distance moved by the crates in
(c)

Answer to Problem 104P
The distance moved by the crates in
Explanation of Solution
Write the
Here,
Conclusion:
Substitute,
Therefore, the distance moved by the crates in
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Chapter 4 Solutions
COLLEGE PHYSICS-CONNECT ACCESS
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