Post Utme Unilag 2018 Physics Question 6

Practice objective / multiple choice question 6 from the 2018 Post Utme Unilag Physics examination.

Post Utme Unilag 2018 Physics Objective / Multiple Choice
Question 6 POST_UTME_UNILAG • 2018 • PHYSICS • objective

A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. The particle experiences a centripetal force $F_c = \frac{mv^2}{r}$. If the particle's speed is doubled to $2v$, what is the new centripetal force $F_c'$?

Answer Options

Correct Answer A. 4mv^2/r
B. 2mv^2/r
C. mv^2/r
D. mv^2/2r
Correct Answer
A
Correct Option:
4mv^2/r

About This Question

This is Post Utme Unilag 2018 Physics Question 6. It is one of the objective questions from the 2018 Post Utme Unilag Physics examination.

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