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State Two Conditions When No Work is Done by a Force. - ICSE Class 8 - Physics

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Question

State two conditions when no work is done by a force.

Solution

Two conditions are :
(i) There should be no displacement i.e. S = 0
(ii) The displacement is NORMAL to the direction of FORCE
i.e. – θ = 90°

  Is there an error in this question or solution?
Solution State Two Conditions When No Work is Done by a Force. Concept: Concept for Unit of Work (Joule).
S
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