Post Utme Achievers University 2018 Physics Question 11

Practice objective / multiple choice question 11 from the 2018 Post Utme Achievers University Physics examination.

Post Utme Achievers University 2018 Physics Objective / Multiple Choice
Question 11 POST_UTME_ACHIEVERS_UNIVERSITY • 2018 • PHYSICS • objective

A particle of mass $m$ is moving in a circular orbit of radius $r$ under the influence of a central force given by $F(r) = \frac{k}{r^2}$. If the particle's speed is $v$, what is the magnitude of the force acting on it?

Answer Options

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

About This Question

This is Post Utme Achievers University 2018 Physics Question 11. It is one of the objective questions from the 2018 Post Utme Achievers University Physics examination.

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