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

Answer in Brief

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

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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°

Concept: Work
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APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 4 Energy
Short/Long Answer questions | Q 3 | Page 77
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