## Force on a Spring

When a force acts on a spring it is stretched or compressed, its length will changes by an amount e from its original length.

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# aqa-synergy-paper-3-and-4-solution

# aqa-synergy-paper-3-and-4-solution

## Force on a Spring

## Force, Mass and Acceleration

## Kinetic Energy

## Power

## Elastic Potential Energy

## Charge

## Resistance

## Resistance in Series and Parallel

## Electrical Power

## Gravitational Potential Energy

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When a force acts on a spring it is stretched or compressed, its length will changes by an amount e from its original length.

…An object of constant **mass** accelerates in proportion to the **force** applied.

In physics, the ** kinetic energy (KE)** of an object is the

The quantity **power** is the rate at which work is done. The quicker work is done the greater the **power**.

Stretching or squashing an object can transfer energy into its **elastic potential energy store**.

The size of the **current** is the rate of flow of **charge**. Electrons are negatively charged particles which transfer **energy** through wires as electricity.

**Resistance** is an electrical quantity that measures how a device or material reduces the electrical **current** flow through it.

Resistors in series and in parallel can change the total **resistance** in a circuit.

The **power **of an appliance is the **energy** that is transferred per **second**. Electric **power** is the rate, per unit time at which electrical **energy** is transferred by an electric circuit.

Lifting an object in a gravitational field transfers energy into the objects gravitational energy store. **Gravitational potential energy** is the **energy** an object has due to its height above Earth.