Concept explainers
a.
Force exerted on the rope.
a.
Answer to Problem 90A
Force exerted on the rope is
Explanation of Solution
Given:
Horizontal force needed to drag the crate is
Angle of rope is
Formula Used:
As horizontal force is given by
Calculation:
Conclusion:
Hence, force exerted on the rope is
b.
Work done on the crate.
b.
Answer to Problem 90A
Work done on the crate is
Explanation of Solution
Given:
Horizontal force needed to drag the crate is
Distance the crate move is
Formula Used:
The work done is given as,
Calculation:
c.
Power developed.
c.
Answer to Problem 90A
Power developed is
Explanation of Solution
Given:
Time of completion of job is
Work done,
Formula Used:
Power can be obtained by:
Calculation:
Chapter 10 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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Sears And Zemansky's University Physics With Modern Physics
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