Question

What is the amount of work done by a locomotive against the force of gravity if it is travelling on a level surface? 

Answer must be:

+ve

-ve

zero

​

Answer 1

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• Zero

Work done by locomotive against gravity is zero, as it has no displacement along or opposite to the direction of gravity

Answer 2

Answer:

zero..

Work done by locomotive against gravity is zero, as it has no displacement along or opposite to the direction of gravity.