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Date November 2014 Marks available 1 Reference code 14N.1.HL.TZ0.5
Level Higher level Paper Paper 1 Time zone Time zone 0
Command term Question number 5 Adapted from N/A

Question

An object rotates in a horizontal circle when acted on by a centripetal force F. What is the centripetal force acting on the object when the radius of the circle doubles and the kinetic energy of the object halves?

A. \(\frac{F}{4}\)

B. \(\frac{F}{2}\)

C. F

D. 4F

Markscheme

A

Examiners report

[N/A]

Syllabus sections

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