DP Physics (last assessment 2024)

Question 18M.1.HL.TZ2.17

Date	May 2018	Marks available	[Maximum mark: 1]	Reference code	18M.1.HL.TZ2.17
Level	HL	Paper	1	Time zone	TZ2
Command term		Question number	17	Adapted from	N/A

17.

[Maximum mark: 1]

18M.1.HL.TZ2.17

An object of mass m moves in a horizontal circle of radius r with a constant speed v. What is the rate at which work is done by the centripetal force?

A. $\frac{{m{v^3}}}{r}$

B. $\frac{{m{v^3}}}{{2\pi r}}$

C. $\frac{{m{v^3}}}{{4\pi r}}$

D. zero

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Core » Topic 6: Circular motion and gravitation » 6.1 – Circular motion

Core » Topic 6: Circular motion and gravitation

Question 18M.1.HL.TZ2.17

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