a partical is acted upon by a constant force always normal to the Direction of motion of the partical . it is inferred that
Answer (1)
29th Jan, 2020
If a particle is acted upon by a constant force which is always normal to the direction of motion of particle , it is inferred that no work is done by the force since work done is given by
W =F. d =F*d cos theta
Since theta = 90° here and cos 90° = 0
So W =0
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