CourseCourseConceptConceptDocumentDocument

CAIE A-Level Physics AS 4.2.1 The Principle of Moments Questions

Apply the principle of moments to calculate unknown forces, distances and moments about a pivot.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Apply the principle of moments to calculate unknown forces, distances and moments about a pivot.

CAIE A-Level Physics AS 4.2.1 The Principle of Moments Questions question 1

[Maximum number: 1]

The diagram shows a uniform rod, X Y, that is freely hinged to a vertical wall at end Y. The rod is at an angle of 60∘60^{\circ} to the wall.

Figure for Question CAIE A-Level Physics AS 4.2.1 The Principle of Moments Questions question 1 — CAIE A-Level Physics AS

A force F acts at an angle of 30∘30^{\circ} to the rod at end X. The rod has a weight of 3.0 N and is in equilibrium.

What is the magnitude of force F ?

A

0.87 N0.87 \mathrm{~N}

B

1.5 N1.5 \mathrm{~N}

C

2.6 N2.6 \mathrm{~N}

D

5.2 N5.2 \mathrm{~N}

All question bank results loaded