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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 – 2.1 Dynamics – Quiz

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Dynamics AS Physics quiz: free practice for AS Physics 9702. Work through this Dynamics AS Physics quiz and get instant feedback on every answer. If you get stuck, review the 2.1 DYNAMICS — Notes lesson. More practice: AS Physics 9702 — all units. Syllabus: Cambridge AS & A Level Physics 9702 syllabus.

1.

A resultant force of 15 N acts on a mass of 3.0 kg. What is the acceleration?

45 m s⁻²
5.0 m s⁻²
0.20 m s⁻²
18 m s⁻²
2.

Newton’s second law states that the resultant force on a body is

equal to its mass times its velocity
equal to its momentum
always zero
proportional to the rate of change of its momentum
3.

Which pair of forces is a Newton’s third law pair?

The gravitational pull of the Earth on a book and the gravitational pull of the book on the Earth
The weight of a book and the normal contact force on it from a table
The thrust and the drag on a car at constant speed
The tension and the weight for a hanging mass
4.

A 0.20 kg ball travelling at 15 m s⁻¹ is brought to rest in 0.050 s. What is the average force on it?

3.0 N
0.15 N
60 N
1.5 N
5.

A 2.0 kg trolley moving at 6.0 m s⁻¹ collides with and sticks to a stationary 4.0 kg trolley. What is their common speed?

3.0 m s⁻¹
2.0 m s⁻¹
6.0 m s⁻¹
1.0 m s⁻¹
6.

In a perfectly elastic collision between two bodies

momentum is conserved but kinetic energy is not
kinetic energy is conserved but momentum is not
both momentum and kinetic energy are conserved
neither is conserved
7.

A skydiver reaches terminal velocity when

the weight becomes zero
the drag force becomes zero
the acceleration equals g
the drag force equals the weight
8.

Mass is the property of a body that

resists a change in its motion
is the force of gravity on it
depends on the gravitational field strength
is measured in newtons
9.

The area under a force–time graph represents

change in momentum
work done
acceleration
power
10.

A rocket in deep space ejects gas backwards. The rocket accelerates forwards because

the gas pushes against space
the mass of the rocket increases
there is no gravity
the total momentum of the rocket and gas is conserved
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