Force and Motion

What is friction?

• Friction is the force that opposes motion.

• Friction is the force that supports motion.

• Friction is the force that accelerates motion.

• Friction is the force that causes motion.

Which force keeps objects on the ground?

• friction

• magnetism

• electricity

• gravity

What is magnetism?

• Magnetism is a force that only attracts materials.

• Magnetism is a force or property of certain materials that attracts or repels other materials.

• Magnetism is a property of all materials.

• Magnetism is a force that only repels materials.

Which force causes objects to move?

• force of gravity

• force of friction

• force of motion

• force of attraction

What is the force that opposes the motion of objects in water?

• drag

• thrust

• gravity

• friction

Which force keeps planets in orbit around the sun?

• gravity

• centrifugal force

• friction

• magnetism

What is the force that attracts objects made of iron?

• gravity

• magnetism

• electricity

• friction

Which force is responsible for the weight of an object?

• electricity

• magnetism

• friction

• gravity

What is the force that allows us to walk on the ground?

• magnetism

• gravity

• electricity

• friction

Which force is used to open a door?

• twisting

• kicking

• sliding

• pushing or pulling