# The energy of objects in a gravitational field (EP=mgh)

## Quiz by Oak National Academy: GCSE Combined Science AQA Higher

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6 questions

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- Q1How much energy will be transferred to the gravitational store if two times the amount of work is done lifting a tray of cakes?2× moreThe same amount4× more30s
- Q2Which of these identical basketballs has the most energy in the gravitational store?A basketball falling from the roof of the sports hall, at a height of 2.8 m.A basketball flying through the air at a height of 2.9 m.A basketball stuck behind the hoop, at a height of 3.0 m.A basketball that is moving very quickly up into the air, at a height of 2.4 m.30s
- Q3What happens to the amount of energy in the gravitational store of a pile of bricks on a table if more bricks are added to double its mass?The amount of energy in the gravitational store does not change.The amount of energy in the gravitational store is two times bigger.The amount of energy in the gravitational store is four times bigger.30s
- Q4What is gravitational potential energy?The type of energy an object has because it is above the ground.The amount of energy an object has because it is above the ground.The amount of energy that is in the gravitational store.The type of energy that is in the gravitational store.30s
- Q5What is the gravitational energy of a discus of mass 2 kg moving at a speed of 8 m/s that is 9 m above the ground? (Gravitational field strength = 10 N/kg)Users enter free textType an Answer30s
- Q6What is the height of a javelin that has a gravitational energy of 216 J, a mass of 1.2 kg, and a speed of 12 m/s? (Gravitational field strength = 10 N/kg)Users enter free textType an Answer30s