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ad-work [718]
3 years ago
15

A rock of mass m is twirled on a string in a horizontal plane. The work done by the tension in the string on the rock is:

Physics
1 answer:
Varvara68 [4.7K]3 years ago
7 0

Answer: c) 0

Explanation:

Work tension is zero because in any infinitesimal time interval, the tension force is directly perpendicular to the displacement.

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