Concept explainers
Work done by mover on the refrigerator.
Answer to Problem 18SSC
Explanation of Solution
Given:
Mass of the refrigerator is
Length of ramp is
Angle of ramp is
Formula used:
Work done can be obtained by:
Where,
The component of
As the plane is frictionless and refrigerator is moved slowly with constant velocity, it means that there is no net force parallel to ramp on refrigerator.
So, force parallel to plane will be
So, work done is
Conclusion:
Therefore, work done by mover on the refrigerator is
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