Curriculum
Course: AS Physics 9702
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AS Physics 9702

1. Physical quantities and kinematics

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2. Dynamics, forces and pressure

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3. Work, energy, power and deformation

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4. Waves and superposition

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5. Electricity and D.C. circuits

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7. Circular motion and gravitational fields (A Level)

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8. Thermal physics (A Level)

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10. Electric fields and capacitance (A Level)

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11. Magnetic fields and alternating currents (A Level)

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12. Quantum and nuclear physics (A Level)

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13. Medical physics and astronomy (A Level)

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Quiz

AS & A Level Physics 9702 – 7.1 Motion in a circle – Quiz

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Motion in a circle AS Physics quiz: free practice for AS Physics 9702. Work through this Motion in a circle AS Physics quiz and get instant feedback on every answer. If you get stuck, review the 7.1 MOTION IN A CIRCLE — Notes lesson. More practice: AS Physics 9702 — all units. Syllabus: Cambridge AS & A Level Physics 9702 syllabus.

1.

An angle of 180° is equal to

π rad
2π rad
π/2 rad
1 rad
2.

A body moves in a circle of radius 0.50 m at 4.0 m s⁻¹. What is its angular speed?

2.0 rad s⁻¹
8.0 rad s⁻¹
0.125 rad s⁻¹
16 rad s⁻¹
3.

The centripetal acceleration of a body moving at speed v in a circle of radius r is

v/r
v²/r
vr
v²r
4.

A body in uniform circular motion has a constant

velocity
speed
acceleration
momentum
5.

A 0.20 kg mass moves in a horizontal circle of radius 0.40 m at 3.0 m s⁻¹. What centripetal force is needed?

4.5 N
1.5 N
0.24 N
0.60 N
6.

The centripetal force does no work on the body because

it is zero
it is always perpendicular to the velocity
the body does not move
it acts for a very short time
7.

A car rounds a bend on a level road. The centripetal force is provided by

the weight of the car
the normal contact force
the engine
friction between the tyres and the road
8.

A mass on a string is whirled in a vertical circle at constant speed. The tension in the string is greatest

at the bottom of the circle
at the top of the circle
when the string is horizontal
nowhere; it is constant
9.

A wheel rotates at 300 revolutions per minute. What is its angular speed?

5.0 rad s⁻¹
31 rad s⁻¹
1900 rad s⁻¹
300 rad s⁻¹
10.

The period of a body in circular motion with angular speed ω is

ω/2π
2πω
2π/ω
1/ω
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