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Work Energy Power – Worksheet problem solution (Q2)

A force of 20 N displaces an object through 20 cm and does work of 2 J in the process. Find the angle between the force and the displacement.


 Solution:
W = FD cos θ = (20)(20/100) Cosθ = 4 Cosθ …. (1)
Now, 4 Cosθ = 2
Cosθ = ½
θ = 60 degrees

Go back to the WorkSheet – for more numerical

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