Post Utme Osustech 2019 Physics Question 1

Practice objective / multiple choice question 1 from the 2019 Post Utme Osustech Physics examination.

Post Utme Osustech 2019 Physics Objective / Multiple Choice
Question 1 POST_UTME_OSUSTECH • 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 is subject to 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{m(2v)^2}{r}
B. \frac{m(2v)^2}{2r}
C. \frac{m(2v)^2}{4r}
D. \frac{m(2v)^2}{8r}
Correct Answer
A
Correct Option:
\frac{m(2v)^2}{r}

About This Question

This is Post Utme Osustech 2019 Physics Question 1. It is one of the objective questions from the 2019 Post Utme Osustech Physics examination.

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