if a body moving in a circular path of radius r undergoes 60° find angular displacement and work done give reason
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angular displacement = (pi/180)*60 = pi/3. radian
work done will be 0 because force is at 90 degree = FS cos(90) = 0.
work done will be 0 because force is at 90 degree = FS cos(90) = 0.
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