DP Physics (first assessment 2025)

Question SPM.1A.HL.TZ0.4

Date	May Specimen-2023	Marks available	[Maximum mark: 1]	Reference code	SPM.1A.HL.TZ0.4
Level	HL	Paper	1A	Time zone	TZ0
Command term		Question number	4	Adapted from	N/A

[Maximum mark: 1]

SPM.1A.HL.TZ0.4

A disc of mass M and radius R is on a horizontal frictionless table. Two equal and opposite forces, each of magnitude F, act on the disc. The moment of inertia of the disc about its axis is $\frac{1}{2} M R^{2}$ .

What is the angular acceleration of the disc?

A. 0

B. $\frac{F}{M R}$

C. $\frac{2 F}{M R}$

D. $\frac{4 F}{M R}$

[1]

Markscheme

Syllabus sections

A. Space, time and motion

A. Space, time and motion » A.4 Rigid body mechanics

Question SPM.1A.HL.TZ0.4

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