Identify the type of work done (positive/negative) in each case. Justify your
answer.
a). Work done by gravity on a ball thrown upwards.
b). Work done by frictional force on an object moving on a rough surface.
Answers
Answered by
2
a) —ve
b) —ve
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Answered by
4
Answer:
a) Negative is the right answer
b) Positive is the right answer
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