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1

The diagram shows three forces acting on a block. The resultant force is 6 N to the right. 3 N 2 N 11 N Which additional force produces a resultant force of 3 N to the left?

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

1. Motion, forces and energy  →  1.6. Momentum

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2

A teacher measures the length of her classroom. What is the most appropriate instrument to use?

1. Motion, forces and energy  →  1.1. Physical quantities and measurement techniques

3. Waves  →  3.4. Sound

4. Electricity and magnetism  →  4.2.4. Resistance

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3

Which value is one-thousandth of a metre?

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4

A car of mass 1000 kg is travelling down a steep hill. The brakes fail and the driver uses a horizontal sand-filled safety road to stop the car. The car enters the sand at a speed of 10 m / s and experiences a constant stopping force of 2500 N. How far does the car travel in the sand before coming to rest?

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.5.2. Friction

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5

A ball starts from rest and rolls down a steep slope. The ball then rolls along rough horizontal ground. Which graph shows the speed of the ball at different times?

1. Motion, forces and energy  →  1.2. Motion

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6

A block of wood is placed on a table. External forces act on the block but the block remains stationary. A student suggests three conditions for the block to remain stationary. condition P The resultant force on the block must equal zero. condition Q The resultant moment on the block must equal zero. condition R The external forces must act through the centre of mass of the block. Which conditions are necessary for the block to remain stationary?

1. Motion, forces and energy  →  1.5.5. Turning effect of forces

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

1. Motion, forces and energy  →  1.5.6. Centre of gravity

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7

A car travels at 60 km / h on a straight road. The road is dry. The driver applies the brakes suddenly. The table shows the thinking distance, the braking distance and the stopping distance. thinking distance / m braking distance / m stopping distance / m The same car is driven by the same driver at 60 km / h on the same road when it is wet. The driver applies the brakes suddenly again. What is the effect of the wet road on the thinking distance, the braking distance and the stopping distance?

1. Motion, forces and energy  →  1.5.2. Friction

1. Motion, forces and energy  →  1.2. Motion

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8

A car travels on a horizontal road around a bend at constant speed. What is the direction of the resultant force on the car?

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

1. Motion, forces and energy  →  1.7.2. Work

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9

A student writes two statements about mass and weight. Mass is the property of a body which resists change in its state of rest or motion. Weight is the amount of substance in a body. Which statements are correct?

1. Motion, forces and energy  →  1.3. Mass and weight

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10

The graph shows how the extension of a spring changes with the masses suspended from it when the spring is on planet X and when the spring is on planet Y. extension cm mass / kg planet X planet Y Which conclusion can be drawn from these graphs?

6. Space physics  →  6.1.2. The Solar System

1. Motion, forces and energy  →  1.3. Mass and weight

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11

A student finds the density of an irregularly shaped object. He chooses his equipment from this list. stop-watch measuring cylinder balance Which equipment does the student need to use?

1. Motion, forces and energy  →  1.4. Density

1. Motion, forces and energy  →  1.1. Physical quantities and measurement techniques

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12

A uniform beam is pivoted at its centre. Two weights are placed on the beam in the positions shown...

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

1. Motion, forces and energy  →  1.3. Mass and weight

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13

Four objects of equal mass rest on a table. The centre of mass of each object is labelled G. Which object is the least stable?

1. Motion, forces and energy  →  1.5.6. Centre of gravity

1. Motion, forces and energy  →  1.3. Mass and weight

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14

Each tyre of a car has an area of 100 cm2 in contact with the ground. The car has a mass of 1600 kg. The weight of the car is equally distributed amongst the four tyres. The gravitational field strength g is 10 N / kg. What is the pressure exerted on the ground?

1. Motion, forces and energy  →  1.8. Pressure

6. Space physics  →  6.1.2. The Solar System

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15

A gas syringe contains a volume V1 of gas at pressure p1. The volume is reduced to V2 without any change of temperature. What is the expression for the change in pressure?

2. Thermal physics  →  2.1.2. Particle model

1. Motion, forces and energy  →  1.8. Pressure

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16

A constant force F pulls a block of weight W up the slope shown...

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.5. Power

1. Motion, forces and energy  →  1.6. Momentum

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17

The input power to a motor is 12 W. The motor wastes 590 J of energy in 1.0 min. What is the efficiency of the motor?

1. Motion, forces and energy  →  1.7.4. Efficiency

1. Motion, forces and energy  →  1.7.5. Power

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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18

Electric motors have an efficiency of about 90% when used in an electric train. Which forms of wasted energy are produced?

1. Motion, forces and energy  →  1.7.3. Energy resources

1. Motion, forces and energy  →  1.7.4. Efficiency

1. Motion, forces and energy  →  1.7.1. Energy

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19

What is a unit of power?

1. Motion, forces and energy  →  1.7.5. Power

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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20

The diagrams represent four thermometers. P 25 °C 20 °C 15 °C 10 °C 5 °C 0 °C Q 40 °C 35 °C 30 °C R 250 °C 200 °C 150 °C 100 °C 50 °C 0 °C S 300 °C 260 °C 220 °C 180 °C 140 °C 100 °C Which thermometer has the greatest sensitivity and which thermometer has the greatest range?

3. Waves  →  3.4. Sound

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

2. Thermal physics  →  2.2.1. Thermal expansion of solids, liquids and gases

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21

Air is trapped in a metal cylinder by a piston. The piston is free to move and the trapped air is at atmospheric pressure. The cylinder is in hot water. piston trapped air hot water metal cylinder The cylinder is taken out of the water and left to cool. What happens to the mass of the air in the cylinder and its pressure as it cools?

1. Motion, forces and energy  →  1.8. Pressure

2. Thermal physics  →  2.1.2. Particle model

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22

A mirror is placed in the path of a ray of light. mirror 40
normal incident ray reflected ray path of light without the mirror Through which angle does the direction of the ray of light change?

3. Waves  →  3.2.1. Reflection of light

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23

A ray of light in water is refracted at the surface into air. air water Which diagram shows the angle of incidence i and the angle of refraction r ?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

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24

A thin converging lens forms a real, focused image of an object, as shown...

3. Waves  →  3.2.3. Thin lenses

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25

Which ray diagram shows the action of a diverging lens?

3. Waves  →  3.2.3. Thin lenses

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26

Many devices produce electromagnetic waves when operating. Which device produces electromagnetic waves of the highest frequency?

3. Waves  →  3.3. Electromagnetic spectrum

3. Waves  →  3.1. General properties of waves

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27

Which two frequencies are both outside the range of audible frequencies for a healthy human ear?

3. Waves  →  3.4. Sound

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28

Sound waves are displayed as a trace on the screen of an oscilloscope. Which trace shows a sound that becomes quieter with a higher pitch?

3. Waves  →  3.4. Sound

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29

The N pole of a permanent magnet is placed in turn close to a piece of iron, the S pole of another magnet, and a piece of copper. Which objects are attracted to the N pole of the permanent magnet?

4. Electricity and magnetism  →  4.1. Simple magnetism and magnetic fields

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30

Four plotting compasses are placed near a bar magnet. Ignore any effects of the Earth’s magnetic field. One compass appears like this . What is a possible position for this compass?

4. Electricity and magnetism  →  4.1. Simple magnetism and magnetic fields

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31

Two oppositely charged plastic rods are placed next to each other. + + – – – – – – + + + + Which row describes and explains how the rods move?

4. Electricity and magnetism  →  4.2.1. Electrical charge

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32

A meter that measures the rate of flow of charge in a resistor is placed in a circuit. What is the name of this meter and how is it connected to the resistor?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.3.2. Series and parallel circuits

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33

Which device is used to convert electrical energy to kinetic energy?

1. Motion, forces and energy  →  1.7.1. Energy

1. Motion, forces and energy  →  1.7.3. Energy resources

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34

Why is a fuse used in an electrical appliance?

4. Electricity and magnetism  →  4.4.2. Electrical safety

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35

A coil of wire is rotated at a constant rate between the poles of a U-shaped magnet. The two ends of the coil are connected to different slip rings. Which graph shows how the voltage V between the slip rings varies with time t ?

4. Electricity and magnetism  →  4.5.2. The a.c. generator

4. Electricity and magnetism  →  4.5.5. The d.c. motor

1. Motion, forces and energy  →  1.2. Motion

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36

Which statement about a transformer is correct?

4. Electricity and magnetism  →  4.5.6. The transformer

4. Electricity and magnetism  →  4.2.2. Electrical current

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37

Three types of radiation emitted by unstable nuclei are helium nuclei, short wavelength electromagnetic waves and electrons. What are these three types of radiation?

5. Nuclear physics  →  5.2.2. The three types of emission

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38

The diagram shows a relay used to switch on an electric motor. S electric motor primary circuit secondary circuit contacts iron core coil iron armature pivot relay A student makes five statements to explain how the relay switches on the electric motor. The statements are not in the correct order. The current in the coil magnetises the electromagnet. The armature closes the contacts. The current in the secondary circuit makes the motor turn. The electromagnet attracts the iron armature. The switch S in the primary circuit is closed. What is the correct order of the statements?

4. Electricity and magnetism  →  4.5.5. The d.c. motor

4. Electricity and magnetism  →  4.4.2. Electrical safety

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39

Different radioactive emissions have different characteristics. A student lists the following characteristics for an alpha-particle. characteristic P It has a positive charge. characteristic Q It has a high penetrating ability. characteristic R It is a component of the electromagnetic spectrum. Which characteristics are correct?

5. Nuclear physics  →  5.2.2. The three types of emission

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40

A wooden object is believed to be 6000 years old. Which isotope, found in the object, is used to determine the age of the object?

5. Nuclear physics  →  5.2.5. Half-life

5. Nuclear physics  →  5.1.2. The nucleus

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