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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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12 questions

SA-PX-RO-0011 markL1 FoundationCalculatorMoment of inertia
Two 2.02.0 kg masses are fixed 0.500.50 m from an axis on a light rod. Calculate the moment of inertia in kg m².

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0021 markL1 FoundationCalculatorMoment of inertia
A flywheel with I=0.50I=0.50 kg m² spins at 2020 rad s⁻¹. Calculate its rotational kinetic energy in J.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0031 markL1 FoundationCalculatorTorque
A torque of 4.04.0 N m acts on a wheel with I=0.50I=0.50 kg m². Calculate its angular acceleration.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0081 markL1 FoundationCalculatorMoment of inertia
The moment of inertia of a body depends on
Choose one option

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-X011 markL1 FoundationCalculatorMoment of inertia
Calculate the moment of inertia of a 3.03.0 kg point mass 0.400.40 m from an axis, in kg m².

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-X021 markL1 FoundationCalculatorAngular momentum
A wheel with I=0.50I=0.50 kg m² rotates at 1212 rad s⁻¹. Calculate its angular momentum.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-X041 markL1 FoundationCalculatorTorque
A wheel starts from rest with angular acceleration 3.03.0 rad s⁻². Calculate its angular velocity after 4.04.0 s.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0042 marksL2 StandardCalculatorAngular momentum
A skater spins at 3.03.0 rad s⁻¹ with I=4.0I=4.0 kg m², then pulls her arms in so I=2.0I=2.0 kg m². Calculate her new angular velocity.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0052 marksL2 StandardCalculatorTorque
An engine delivers a torque of 5050 N m at 600600 revolutions per minute. Calculate the power in W.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0061 markL2 StandardCalculatorTorque
A wheel starts from rest with angular acceleration 2.02.0 rad s⁻². Calculate the angle turned in 5.05.0 s, in rad.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-X032 marksL2 StandardCalculatorTorque
A constant torque of 1010 N m turns a shaft through 55 revolutions. Calculate the work done in J.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-RO-0073 marksL3 ExamCalculatorAngular momentum
A disc (I=0.20I=0.20 kg m²) spinning at 1010 rad s⁻¹ has an identical non-rotating disc dropped onto it, and they spin together. Calculate the kinetic energy lost in J.

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Salam Academy Original Practice · Proposed mark scheme