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What will be the angle between force and displacement to attain minimum work?

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Question

What will be the angle between force and displacement to attain minimum work?

Very Short Answer
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Solution

For minimum work, the angle between force and displacement is 90°. At this angle, the force is perpendicular to displacement, making the work done exactly zero Joules.
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Chapter 2: Work, Power and Energy - EXERCISE [Page 48]

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Lakhmir Singh Physics [English] Class 10 ICSE
Chapter 2 Work, Power and Energy
EXERCISE | Q 3. (i) | Page 48
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