Post Utme Pan Atlantic University 2021 Physics Question 21

Practice objective / multiple choice question 21 from the 2021 Post Utme Pan Atlantic University Physics examination.

Post Utme Pan Atlantic University 2021 Physics Objective / Multiple Choice
Question 21 POST_UTME_PAN-ATLANTIC_UNIVERSITY • 2021 • 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 $F_c$ given by $F_c = \frac{mv^2}{r}$. If the particle's speed is doubled to $2v$, what is the new centripetal force $F_{c,new}$?

Answer Options

Correct Answer A. \frac{4mv^2}{r}
B. \frac{2mv^2}{r}
C. \frac{mv^2}{2r}
D. \frac{mv^2}{4r}
Correct Answer
A
Correct Option:
\frac{4mv^2}{r}

About This Question

This is Post Utme Pan Atlantic University 2021 Physics Question 21. It is one of the objective questions from the 2021 Post Utme Pan Atlantic University Physics examination.

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