Forces

What is gravitational potential energy?

• Energy stored in an object due to deformation such as stretching

• Energy stored in an object due to deformation such as stretching

• Energy stored in the chemical bonds of a molecule

• Energy stored in an object due to its vertical position and height

What is potential energy?

• stored energy

• energy of motion

• force of magnets

• force of a spring

Which type of force is a contact force?

• magnetic

• electric

• spring

• gravitational

What happens when two of the same poles of a magnet come together?

• they repel

• they attract

What would increase the spring force?

• Decrease mass

• Nothing

• Increase the height of the table

• increase the mass

How can you increase the gravitational potential energy of an object?

• Decrease height

• Increase height

• Decrease mass

• Nothing

Friction is a force that acts in a/an ___________ direction of movement.

• Opposite

• Same

• Parallel

• None of the above

Which object has more gravitational potential energy?

• An object with a mass of 100g

• An object laying on the ground

• An object being thrown

• An object with a mass of 200g

What happens to gravitational potential energy as height increases?

• Increases

• Decreases

• Stays the same

• Nothing