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What is the work done by …

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What is the work done by a person walking on a levelled road with a lod in his head?
  • 2 answers

Yogita Ingle 7 years, 3 months ago

Work done = Force x displacement
W = F.s = Fs cos θ
where  θ is the angle between the direction of force and the direction of displacement of the object. If they are perpendicular to each other  θ = 90°. We have cos  90
° = 0.
Therefore
W  =  F x s x 0 = 0

Mukul Garg 7 years, 3 months ago

Work done = 0
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