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What is the correct expression for Work?

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in Physics – Class 11 by (74.2k points)
What is the correct expression for Work?

(a) W = F * ds

(b) W = P/t

(c) W = E

(d) W = E/t

The question was asked in an internship interview.

I would like to ask this question from Introduction to Work, Energy and Power in portion Work, Energy and Power of Physics – Class 11

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Correct answer is (a) W = F * ds

Easy explanation: Work occurs when a force is applied on a body some displacement occurs as a result. Work is quantified as force multiplied by displacement. Hence, W = F * s. Instantaneous work is given as W = F * ds.

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