February/March 2026 Paper 22

2026 · 7 questions · 42 parts · 60 marks

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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)

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

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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)

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

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

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1(a)Newtons LawsEasy1 mark

Define force.

1(b)Physical Quantities UnitsEasy1 mark

Use the definition in 1(a) to show that the SI base units of force are kg m s

^{- 2}

.

Answer

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1(c)Physical Quantities UnitsMedium2 marks

A student is investigating the relationship between the force applied to the piston of a syringe and the velocity of fluid exiting the syringe. The student wishes to use the equation

v = \frac{F k}{m A}

$v$ is the velocity of fluid exiting the syringe
$F$ is the force applied to the piston
$k$ is a constant with SI base units m $^{2}$ s $^{- 1}$
$m$ is the mass of the fluid in the syringe
$A$ is the cross-sectional area of the piston

By considering SI base units on both sides of the equation, state and explain whether this equation is homogeneous.

Answer

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