P1 Energy AQA (Separate Physics)

What is the equation linking kinetic energy, mass and velocity?

• Energy = mass x velocity²

• Energy = mass / velocity

• Energy = 0.5 x mass x velocity²

• Energy = mass x velocity

What are the units for energy?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

What are the units of mass?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

What are the units for velocity?

• mph

• m/s

• m/s²

• km/h

What is the equation linking gravitational field strength, gravitational potential energy and height?

• Gravitational field strength = mass x gravitational potential energy x height

• Gravitational potential energy = mass x gravitational field strength x height

• Height = mass x gravitational field strength

What are the units of gravitational field strength?

• Newtons (N)

• Kilograms (kg)

• Kilograms per newton (kg/N)

• Newtons per kilo (N/kg)

What is the equation linking energy transferred, power and time?​

• Power = energy x time

• Power = energy / time

• Energy = time / power

What are the units of work done?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

Food, batteries, fuel and muscles store which energy type?

• Elastic potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Which energy store changes as height of an object changes?

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

• Sound energy