Post Utme Uniport 2019 Physics Question 21

Practice objective / multiple choice question 21 from the 2019 Post Utme Uniport Physics examination.

Post Utme Uniport 2019 Physics Objective / Multiple Choice

Question 21 POST_UTME_UNIPORT • 2019 • 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 $F_{c,new}$?

A. \frac{2mv^2}{r}

Correct Answer B. \frac{4mv^2}{r}

C. \frac{mv^2}{2r}

D. \frac{mv^2}{4r}

Correct Answer

Correct Option:

\frac{4mv^2}{r}

This is Post Utme Uniport 2019 Physics Question 21. It is one of the objective questions from the 2019 Post Utme Uniport Physics examination.

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