Amount of work done on the crate.
Answer to Problem 51A
Amount of work done on the crate is
Explanation of Solution
Given:
Angle of inclination,
Height,
Applied force,
Coefficient of friction,
Force exerted is parallel to ramp.
Formula Used:
Work done is given by
Calculation:
Length of ramp is,
Since, force exerted is parallel to ramp. So, there will be zero angle between the force and the displacement.
i.e.
So. Using (1)
Since, work done by person is asked so friction is not considered.
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