February/March 2026 Paper 22

2026 · 7 questions · 42 parts · 60 marks

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1(a)1(b)1(c)

–/4 mks

2(a)2(b)2(b)(i)2(b)(ii)2(b)(iii)2(c)2(c)(i)2(c)(ii)

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3(a)(i)3(a)(ii)3(b)

–/6 mks

4(a)(i)4(a)(ii)4(a)(iii)4(a)(iv)4(b)4(b)(i)4(b)(ii)

–/11 mks

5(a)5(a)(i)5(a)(ii)5(b)5(b)(i)5(b)(ii)5(b)(iii)5(c)5(c)(i)5(c)(ii)

–/12 mks

6(a)6(b)6(c)6(c)(i)6(c)(ii)6(c)(iii)

–/10 mks

7(a)7(b)7(b)(i)7(b)(ii)7(c)

–/6 mks

Context for question 4

A uniform square picture is attached to a wire and hangs in equilibrium from a pin at point P, as shown in Figure 4.1.

Figure 4.1, a uniform square picture hanging from a wire attached to a pin at point P, with the wire forming two equal angles $\theta$ with the horizontal top edge of the picture and carrying tension $T$ on each side; the picture's centre of gravity is marked directly below P with a 19 N weight arrow, marked not to scale

The picture has weight 19 N and its centre of gravity is directly below P. The top side of the picture is horizontal. The wire forms an angle

θ

with the horizontal. The tension

T

in the wire is 13 N.

4(a)(i)Moments Equilibrium Centre MassEasy1 mark

Define the moment of a force about a point.

4(a)(ii)Moments Equilibrium Centre MassMedium1 mark

Explain why the moment of the weight about P is zero.

4(a)(iii)Moments Equilibrium Centre MassMedium2 marks

Calculate

θ

4(a)(iv)Elasticity Hookes Law Young ModulusMedium3 marks

The wire has diameter 0.80 mm and is made of a metal with Young modulus

9.3 \times 1 0^{10}

Pa. The wire obeys Hooke's law. Calculate the strain

ε

in the wire.

4(b)

The bottom side of the picture shown in Figure 4.1 is 1.6 m above the ground. The pin at P breaks, and the picture falls vertically downwards. Resistive forces acting on the picture are negligible.

4(b)(i)KinematicsEasy2 marks

Calculate the time taken for the bottom side of the picture to hit the ground.

Answer

4(b)(ii)KinematicsMedium2 marks

On Figure 4.2, sketch the variation of the speed of the picture with the distance fallen from its initial position.

Draw with the mouse or a finger.