AQA Physics - Paper 1 (Foundation)

What happens to the amount of energy in a car's kinetic energy store when the car slows down?

• It stays the same

• It decreases

Which of the following would decrease the rate of cooling of a garage?

• Decreasing the thickness of its walls.

• Increasing the thickness of its walls.

When an apple falls from a tree, energy is transferred...

• ...away from its gravitational potential energy store.

• ...to its gravitational potential energy store.

Which of these is a disadvantage of using wind turbines to generate electricity?

• They produce dangerous waste that is difficult to dispose of.

• They release atmospheric pollution (CO₂) when running.

• They can be noisy.

The amount of energy transferred by an appliance depends on...

• ...its power and size.

• Its power and the time it is on for.

4 J of energy is supplied to a device with an efficiency of 50%. What is the useful output energy transfer of the device?

• 2 J

• 4 J

• 6 J

• 8 J

When a racket hits a ball, energy is transferred from the racket's kinetic energy store to the ball's kinetic energy store. This energy is transferred...

• ...by heating.

• ...mechanically.

Two materials are cooled by 10° C. They have the same mass and different specific heat capacities. Which material emits more energy.

• The material with the higher specific heat capacity.

• The material with the lower specific heat capacity.

Power is the...

• ...energy of a moving object.

• ...rate of doing work.

When a spring is compressed, which of these energy stores is energy transferred to?

• The spring's elastic potential energy store.

• The spring's nuclear energy store.