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A block of weight 100 N is slowly slid up on a smooth

Question:

A block of weight $100 \mathrm{~N}$ is slowly slid up on a smooth incline of inclination $37^{\circ}$ by a person. Calculate the work done by the person in moving the block through a distance of $2.0 \mathrm{~m}$, if the driving force is

(a) parallel to the incline and

(b) in the horizontal direction.

Solution:

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