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Date	November 2020	Marks available	1	Reference code	20N.1.SL.tz0.17
Level	Standard Level	Paper	Paper 1	Time zone	time zone 0
Command term	What	Question number	17	Adapted from	N/A

Question

What causes an increase in angular velocity during a spin where no additional forces are applied after the initial push?

A. Increase in radius

B. Increase in mass

C. Decrease in moment of inertia

D. Decrease in angular momentum

Markscheme

C

Examiners report

Mid-ranking question.

Syllabus sections

Topic 4: Movement analysis » 4.3. Fundamentals of biomechanics » 4.3.9. State the relationship between angular momentum, moment of inertia and angular velocity.

Topic 4: Movement analysis » 4.3. Fundamentals of biomechanics

Topic 4: Movement analysis