TMR RnR Physics 01

The diagram shows a stationary fairground ride with four chairs of equal mass. Which chair has the most gravitational potential energy?

• A

• B

• C

• D

The diagram shows a distance–time graph for a car travelling in a straight line. In which region is the car decelerating?

• A

• B

• C

• D

A wooden block is pushed across a table at constant speed.

Which statement is correct?

• A

  The frictional force increases as the block moves at constant speed.

• B

  The frictional force is equal and opposite to the pushing force.

• C

  The frictional force is greater than the pushing force.

• D

  The frictional force is less than the pushing force.

The diagram shows how the length of a spring changes when a load of 10 N is suspended from it.

The 10 N load is replaced by a 20 N load.

What is the new length of the spring?

• A

  6.0 cm

• B

  11 cm

• C

  14 cm

• D

  16 cm

A force F causes a moment about point O on an L-shaped bar. The force F acts at point P.

What is the moment of F about O?

• A

  Fd1

• B

  Fd2

• C

  Fd3

• D

  Fd4

Hydroelectric and tidal power stations generate electrical energy.

Do these use renewable sources of energy?

• A

• B

• C

• D

A small motor has an input power rating of 10 W and is switched on for 5.0 minutes.

What is the electrical energy input to the motor in this time?

• A

  2.0 J

• B

  50 J

• C

  300 J

• D

  3000 J

A graph of temperature against time is shown for a material being heated from its solid state.

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A plane mirror on a vertical wall forms an image of an object placed in front of it.

Which characteristics describe the image?

• A

  real and inverted

• B

  real and upright

• C

  virtual and inverted

• D

  virtual and upright

The diagrams show light travelling in air incident on the surface of a glass block.

Some light is reflected and some light is refracted.

Which diagram shows the reflection and refraction of the light?

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