Post Utme Delsu 2021 Physics Question 31

Practice objective / multiple choice question 31 from the 2021 Post Utme Delsu Physics examination.

Post Utme Delsu 2021 Physics Objective / Multiple Choice

Question 31 POST_UTME_DELSU • 2021 • 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?

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

B. \frac{k}{r^2}

C. \frac{mv^4}{r^3}

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

Correct Answer

Correct Option:

\frac{mv^2}{r}

This is Post Utme Delsu 2021 Physics Question 31. It is one of the objective questions from the 2021 Post Utme Delsu Physics examination.

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support