Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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2730 questions · page 12 of 137 · choose a topic above to narrow them down

SA-5054-MF5-0051 markL1 FoundationCalculatorLoad–extension graphs

On a load–extension graph for a spring, the limit of proportionality is the point where

Salam Academy Original Practice · Proposed mark scheme

SA-5054-MF6-0012 marksL1 FoundationCalculatorMoments

A force of

20

N acts at right angles to a spanner,

0.30

m from the nut. Calculate the moment.

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SA-5054-MF6-0022 marksL1 FoundationCalculatorMoments

300

N child sits

2.0

m from the pivot of a seesaw. Calculate how far from the pivot a

400

N child must sit on the other side to balance it.

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SA-5054-MF6-0032 marksL1 FoundationCalculatorMoments

A moment of

30

N m is needed to undo a nut. Calculate the force needed at the end of a spanner

0.60

m long.

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SA-5054-MF6-0041 markL1 FoundationCalculatorMoments

The principle of moments states that, for an object in equilibrium,

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SA-5054-MF6-0051 markL1 FoundationCalculatorCentre of gravity

For an object to be in equilibrium,

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SA-5054-MF7-0012 marksL1 FoundationCalculatorMomentum

Calculate the momentum of a

0.50

kg ball moving at

4.0

m/s.

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SA-5054-MF7-0031 markL1 FoundationCalculatorMomentum

The unit of momentum is

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SA-5054-MF7-0041 markL1 FoundationCalculatorImpulse

A force of

20

N acts for

0.50

s. Calculate the impulse, in N s.

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SA-5054-MF7-0052 marksL1 FoundationCalculatorImpulse

0.20

kg ball moving at

15

m/s is caught and brought to rest. Calculate the size of its change in momentum.

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SA-5054-MF8-0012 marksL1 FoundationCalculatorEnergy

Calculate the kinetic energy of a

2.0

kg ball moving at

3.0

m/s.

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SA-5054-MF8-0022 marksL1 FoundationCalculatorEnergy

5.0

kg box is lifted

4.0

m. Calculate the gain in gravitational potential energy (

g=9.8

N/kg).

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SA-5054-MF8-0041 markL1 FoundationCalculatorWork & power

50

N force pushes a crate

3.0

m in the direction of the force. Calculate the work done.

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SA-5054-MF8-0052 marksL1 FoundationCalculatorWork & power

An appliance transfers

600

J of energy in

12

s. Calculate its power.

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SA-5054-MF9-0011 markL1 FoundationCalculatorResources

Which energy resource is renewable?

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SA-5054-MF9-0021 markL1 FoundationCalculatorResources

The original source of the energy stored in fossil fuels is

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SA-5054-MF9-0051 markL1 FoundationCalculatorResource calculations

A solar panel is

20\%

efficient. It receives

1000

W of sunlight. Calculate its electrical power output.

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SA-5054-NP1-0011 markL1 FoundationCalculatorNuclides & isotopes

State the number of neutrons in a nucleus of

^{23}_{11}\text{Na}

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SA-5054-NP1-0021 markL1 FoundationCalculatorNuclides & isotopes

State the number of protons in a nucleus of

^{238}_{92}\text{U}

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SA-5054-NP1-0031 markL1 FoundationCalculatorNuclides & isotopes

State the number of electrons in a neutral atom of

^{16}_{8}\text{O}

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