G6 Physics - Work and Energy

What is the correct unit for energy?

• meters (m)

• kilogram meters per second (kg m/s)

• Newtons (N)

• Joules (J)

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

What is the equation for calculating gravitational potential energy

• mv

• 1/2 mv^2

• mgh

• Ft

What is the equation for calculating kinetic energy?

• mv

• 1/2 mv^2

• mgh

• Ft

Which passenger has the most potential energy?

• A

• B

• C

• D

The formula for calculating the gravitational potential energy in an object is shown above. GPE will get bigger if

There is more than 1 correct answer

• the object has a greater mass

• the object is higher above the ground

• the object is on the ground

• the object is smaller

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

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The formula for calculating the kinetic energy in an object is shown above. The amount of KE a body has depends on

• its speed

• its mass AND its speed

• its mass

• its height above the Earth AND its mass

The formula for calculating the kinetic energy in an object is shown above. Which object will have the largest value for its KE

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