Post Utme Redeemers University 2022 Physics Question 16

Practice objective / multiple choice question 16 from the 2022 Post Utme Redeemers University Physics examination.

Post Utme Redeemers University 2022 Physics Objective / Multiple Choice
Question 16 POST_UTME_REDEEMERS_UNIVERSITY • 2022 • PHYSICS • objective

A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. If the particle is subjected to a centripetal force $F_c = \frac{mv^2}{r}$, what is the work done by this force as the particle moves through an angle $\theta$?

Answer Options

A. $0$
Correct Answer B. $W = \frac{1}{2}mv^2\( 1 - \cos\theta \)$
C. $W = mv^2\sin\theta$
D. $W = \frac{1}{2}mv^2\sin\theta$
Correct Answer
B
Correct Option:
$W = \frac{1}{2}mv^2\( 1 - \cos\theta \)$

About This Question

This is Post Utme Redeemers University 2022 Physics Question 16. It is one of the objective questions from the 2022 Post Utme Redeemers University Physics examination.

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