PractiseQuestion bank
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12 questions
SA-9702-CM2-0012 marksL1 FoundationCalculatorCentripetal force
A 1200 kg car travels round a flat bend of radius 50 m at 15 m s⁻¹. Calculate the centripetal force. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0021 markL1 FoundationCalculatorCentripetal acceleration
An object moves in a circle of radius 2.0 m at 6.0 m s⁻¹. Calculate its centripetal acceleration. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0031 markL1 FoundationCalculatorCentripetal acceleration
An object moves in a circle of radius 0.50 m with angular speed 4.0 rad s⁻¹. Calculate its centripetal acceleration. Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0041 markL1 FoundationCalculatorCentripetal force
For a satellite in a circular orbit around Earth, the centripetal force is provided by
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0071 markL1 FoundationCalculatorCentripetal acceleration
The speed of an object in a circle of fixed radius is doubled. State the factor by which its centripetal force increases.
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0091 markL1 FoundationCalculatorCentripetal acceleration
The centripetal acceleration of an object in uniform circular motion is directed
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0121 markL1 FoundationCalculatorCentripetal acceleration
Which expression gives centripetal acceleration?
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0051 markL2 StandardCalculatorCentripetal force
A ball on a string moves in a circle at constant speed. The work done by the tension during one revolution is
Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0062 marksL2 StandardCalculatorCentripetal force
A 0.20 kg ball on a string of length 0.50 m moves in a vertical circle. At the bottom its speed is 4.0 m s⁻¹. Calculate the tension at the bottom. (g=9.81 m s⁻²) Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0082 marksL2 StandardCalculatorCentripetal force
Calculate the minimum speed at the top of a vertical circle of radius 0.80 m for a ball on a string to keep the string taut. (g=9.81 m s⁻²) Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0102 marksL2 StandardCalculatorCentripetal force
A track is banked so that cars at 20 m s⁻¹ on a bend of radius 80 m need no friction. Calculate the angle of banking, in degrees. (g=9.81 m s⁻²) Salam Academy Original Practice · Proposed mark scheme
SA-9702-CM2-0113 marksL3 ExamCalculatorCentripetal force
A 0.20 kg ball on a 0.50 m string moves in a vertical circle. At the top its speed is 3.0 m s⁻¹. Calculate the tension at the top. (g=9.81 m s⁻²) Salam Academy Original Practice · Proposed mark scheme