Physics, asked by sana5488, 11 months ago

What is the amount of work done by:
a) a weight-lifter in holding a weight of 120kg on his shoulder for 30 seconds
b) a locomotive against gravity ,if it is travelling on a level plane?

Answers

Answered by sc718058

2

a) a weight-lifter in holding a weight of 120kg on his shoulder for 30 seconds

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