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Work

What is the w...

Question

What is the work done by gravity on a load of $50 k g$ carried by porter while walking along the platform?

A

0 J

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B

10 J

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C

50 J

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D

500 J

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Solution

The correct option is C $0 J$
Force of gravity and displacement of load carried by the porter are perpendicular to each other.
Hence, work done by gravity on the load is zero.

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