ICSE Class 10 Physics 2018 Solved Paper

Question : 39

Total: 78

A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of force. What should be the value of θ to get the maximum positive work?

Solution:

We know,
W=FS‌cos‌θ
Thus, the value of θ to get the maximum positive work should be 0∘ .
As cos‌0∘=+1

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