What is the work done by a coolie walking on a horizontal platform with a load on his head?
Answers
Answered by
79
work done is zero because the force acting on load is in downward direction (weight due to gravity) and displacement is in horizontal direction.
So by W=F.s cos90
w=0
Answered by
18
Answer:
Explanation:
No work, is done as a displacement of the load is normal to the direction of the force of gravity
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