AQA P1 - Energy

What are the units of mass?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

What is the law of conservation of energy?

• Energy is created and transferred

• Energy is created and stored

• Energy is stored and destroyed

• Energy is stored and transferred

What are the units for energy?

• Joules (J)

• Watts (W)

• Kilograms (kg)

• Newtons (N)

Which skier has the greatest kinetic energy?

• Skier A
• Skier B
• Skier C
• Skier D

units of force are

• newtons

• grams

• joules

• meters

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.

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 is the relationship between KE and GPE?

• Direct proportion - they both increase at the same rate

• Direct proportion - as KE increases, GPE decreases

• Inverse proportion - they both increase at the same rate

• Inverse proportion - as KE increases, GPE decreases

Which energy store is linked with springs and catapults?

• Nuclear energy

• Light energy

• Kinetic energy

• Elastic potential energy