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The work done by a force F over a small displacement dr is written as:
AF plus dr
BF over dr
CF dot dr
DF cross dr
Answer & Solution
Correct answer: C. F dot dr
1. Work involves the component of force along the displacement.
2. That is captured by one particular product.
3. The small work is F dot dr.
_Source: NCERT Class 11 Physics Part I, Chapter 6, Work, Energy and Power._
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