AQA GCSE Physics - Kinetic Energy

Kinetic energy (E_k) is...

• the energy stored in a stretched object

• the energy stored in an electrically charged object

• the energy stored in a frozen object

• the energy stored in a moving object

This energy store can be increased by..? (choose two options)

• increasing the velocity (speed) of the object

• decreasing the size of the object

• increasing the mass of the object

• decreasing the speed of the object

The formula for calculating kinetic energy (E_k) is...

• 2 x speed x mass²

• 1/2 x speed x mass²

• 2 x mass x speed

• 1/2 x mass x velocity²

'E_k' stands for

• electrical energy

• elastic potential energy

• kinetic energy

• kilometric energy

The units for kinetic energy are...

• Joules, J

• degrees celsius, ^oC

• kilograms, kg

• metres per second m/s

In the equation for kinetic energy, 'm' stands for...

• metres
• miles
• mass
• millimetres

In the equation for kinetic energy, the units for mass, m, are...

• Joules, J
• kilograms, kg
• centimetres, cm
• grams, g

To convert grams to kilograms

• multiply the grams by 100

• divide the grams by 100

• multiply the grams by 1000

• divide the grams by 1000

In the equation for kinetic energy, 'v' stands for...

• the velocity (speed) of the object
• the volume (size) of the object
• the volume (loudness) of the object
• the visibility of the object

In the equation for kinetic energy, the units for velocity (speed), v, are

• miles per hour, mph
• newtons per kilogram, N/kg
• metres per second, m/s
• Joules per cubic metre, J/m3