Energy Stores & Transfers Flashcards

All 4 cards in this deck

Name the energy stores involved when a ball falls towards the ground (ignoring air resistance).

Gravitational potential store → kinetic store.

When a moving vehicle brakes to a stop, where is the energy from the kinetic store transferred to?

To the thermal store of the brakes and surroundings, mechanically (by friction).

When an electric kettle heats water, name the energy transfer taking place.

Energy is transferred electrically from the mains to the thermal store of the water.

True or false? Energy is a substance that can be used up.

False. Energy is transferred between stores; it is never created or destroyed.