is work done zero in carrying a suitcase over head???
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Answered by
2
yes,the work done is zero because force and displacement are in right angle .As we know w=fscos(α) where (α is angle).since cos 90 is 0,total product is zero.So work done is zero.
shabb1:
w is zero in holding it bt if we travel taking it over head then work is also zero??
Answered by
2
Work done is zero while just holding it over head. But while carrying, distance is covered so work is also done.
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