Instantaneous power in terms of force $\vec F$ and velocity $\vec v$ is:

1. A $\vec F / \vec v$
2. B $\vec F \cdot \vec v$ Correct answer
3. C $Fv^2$
4. D $F^2 v$

Solution

$P = \vec F \cdot \vec v$ (scalar product of force and velocity).

About this question

Subject: Physics · Chapter: Work, Energy and Power · Topic: Power

This question is part of PrepWiser's free JEE Main question bank. 15 more solved questions on Work, Energy and Power are available — start with the harder ones if your accuracy is >70%.

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