
Concept explainers
(a)
The acceleration of each of the blocks.
(a)

Explanation of Solution
Introduction:
The free-body diagram for both the block is shown in Figure 1
Figure 1
In the above diagram is shown that the force on the block
Conclusion:
Therefore, the free body diagram for both blocks is shown in Figure 1
(b)
The expression for the acceleration of the block and the tension in the string.
(b)

Answer to Problem 82P
The expression for the acceleration is
Explanation of Solution
Calculation:
The equation of motion for the block
The equation of motion for the block
The expression for the acceleration of the block is evaluated as,
The expression for the tension in the string is evaluated a,
Conclusion:
Therefore, the expression for the acceleration is
(c)
Whether the expressions for the tension and the acceleration gives the plausible results if
(c)

Answer to Problem 82P
The value of tension for the condition
Explanation of Solution
Calculation:
For the value of
For the value of
For the value of
For the value of
For the value of
For the value of
Conclusion:
Therefore, the value of tension for the condition
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Chapter 4 Solutions
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