Post Utme Futa 2020 Physics Question 23

Practice objective / multiple choice question 23 from the 2020 Post Utme Futa Physics examination.

Post Utme Futa 2020 Physics Objective / Multiple Choice

Question 23 POST_UTME_FUTA • 2020 • 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 in moving the particle through a dis\tance $s$?

Correct Answer A. $W = \frac{1}{2}mv^2$

B. $W = mv^2$

C. $W = \frac{mv^2}{r}$

D. $W = \frac{1}{2}mv^2 + mv^2$

Correct Answer

Correct Option:

$W = \frac{1}{2}mv^2$

This is Post Utme Futa 2020 Physics Question 23. It is one of the objective questions from the 2020 Post Utme Futa Physics examination.

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