Which expression gives the work done by a constant force of magnitude that makes an…

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

Which expression gives the work

W

done by a constant force of magnitude

F

that makes an angle

\theta

with the direction of a straight-line displacement of magnitude

d

? (a)

W = F d (\cos\theta)^{2}

(b)

W = F d \cos\theta

(c)

W = \dfrac{1}{2} F d \cos\theta

(d)

W = F d \sin\theta