Post Utme Caleb University 2022 Physics Question 9

Practice objective / multiple choice question 9 from the 2022 Post Utme Caleb University Physics examination.

Post Utme Caleb University 2022 Physics Objective / Multiple Choice
Question 9 POST_UTME_CALEB_UNIVERSITY • 2022 • PHYSICS • objective

A car of mass $m$ is traveling at a speed $v$ when it encounters a bump in the road. The car's speed is reduced by a factor of $\frac{1}{2}$ as it passes over the bump. What is the work done by the force of friction on the car?

Answer Options

Correct Answer A. -\frac{1}{2}mv^2
B. \frac{1}{2}mv^2
C. -mv^2
D. mv^2
Correct Answer
A
Correct Option:
-\frac{1}{2}mv^2

About This Question

This is Post Utme Caleb University 2022 Physics Question 9. It is one of the objective questions from the 2022 Post Utme Caleb University Physics examination.

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