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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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13 questions

SA-9709-P4-NL-0012 marksL1 FoundationCalculatorF = ma
A car of mass 12001200 kg has a driving force of 30003000 N and experiences a resistance of 600600 N. Find its acceleration.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0012 marksL1 FoundationCalculatorF = ma
A particle of mass 33 kg is pushed along a horizontal surface by a force of 2020 N against a resistance of 88 N. Find its acceleration.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0051 markL1 FoundationCalculatorF = ma
A resultant force of 1212 N gives a particle an acceleration of 1.5 m s−21.5\ \text{m s}^{-2}. Find its mass.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0081 markL1 FoundationCalculatorF = ma
A particle moves in a straight line at constant velocity. The resultant force on it is
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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL-G011 markL1 FoundationCalculatorF = ma
A resultant force of 1010 N acts on a 44 kg mass. Find its acceleration.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL-Q011 markL1 FoundationCalculatorF = ma
In F=maF=ma, FF is
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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL-Q031 markL1 FoundationCalculatorF = ma
Newton's third law says that
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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0023 marksL2 StandardCalculatorF = ma
A car of mass 900900 kg accelerates uniformly from rest to 15 m s−115\ \text{m s}^{-1} in 1010 s. The resistance to motion is 400400 N. Find the driving force.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0033 marksL2 StandardCalculatorAngled forces
A box of mass 55 kg on a smooth horizontal floor is pulled by a force of 2020 N at 30∘30^\circ above the horizontal. Find its acceleration (3 s.f.) and the normal reaction.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0063 marksL2 StandardCalculatorF = ma
A car of mass 15001500 kg travelling at 20 m s−120\ \text{m s}^{-1} brakes with a constant force and stops in 5050 m. Find the braking force.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL-0094 marksL3 ExamCalculatorF = ma
A 0.50.5 kg particle starts from rest on a horizontal surface and a horizontal force of 22 N acts for 33 s. The force is then removed and a constant resistance of 11 N brings the particle to rest. Find the greatest speed and the time taken to stop after the force is removed.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0045 marksL3 ExamCalculatorAngled forces
A box of mass 88 kg is pulled across a rough horizontal floor, with μ=0.25\mu=0.25, by a force of 4040 N at 20∘20^\circ above the horizontal. Find its acceleration, correct to 3 significant figures.

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Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-NL1-0074 marksL3 ExamCalculatorAngled forces
A sledge of mass 1010 kg is pulled across rough horizontal ground, with μ=0.2\mu=0.2, by a rope at 15∘15^\circ above the horizontal. It moves at constant speed. Find the tension in the rope, correct to 3 significant figures.

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Salam Academy Original Practice · Proposed mark scheme