AQA P1 - Energy

What are the units of gravitational field strength?

• Newtons (N)

• Kilograms (kg)

• Kilograms per newton (kg/N)

• Newtons per kilo (N/kg)

What are the units of mass?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

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

• Power = energy x time

• Power = energy / time

• Energy = time / power

What is the definition of power?

• How much electricity passes through an appliance

• The amount of energy wasted by an appliance

• The rate of energy transfer or the rate of doing work

• The rate of electron transfer

What is the specific heat capacity of a material?

• The amount of energy required to heat up a material.

• The amount of energy required to raise the temperature of material.

• The amount of energy required to raise the temperature of 1kg of a material.

• The amount of energy required to raise the temperature of 1kg of a material by 1⁰C.

Which energy store is linked with springs and catapults?

• Nuclear energy

• Light energy

• Kinetic energy

• Elastic potential energy

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

• Elastic potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Which equation is used to calculate specific heat capacity?

• Change in thermal energy = mass x specific heat capacity x change in temperature

• Change in temperature = mass x specific heat capacity x change in thermal energy

• Change in thermal energy = mass x specific heat capacity x temperature of a material

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

A microwave has a power rating of 1550 W. How much energy does it transfer per second?

• 1.550 Joules
• 15.50 Joules
• 155.0 Joules
• 1550 Joules