Force of Motion

What is a force that makes an object slow down when it rubs against another object?

• friction

• motion

• gravity

What is a change in the position or place of an object?

• friction

• motion

• gravity

What is a push or a pull?

• friction

• force

• gravity

What is a pull toward the center of the Earth called?

• position

• friction

• gravity

Why does a bike move slower on gravel than it does on pavement?

• magnetism

• friction

• gravity

What is the force that keeps us on the ground?

• magnetism

• wind

• gravity

Two ice skaters started skating at the same time and same place.  How can one skater get in front of the other?

• by skating faster

• by skating slower

• by wearing bigger skates

Mike took his dog for a walk.  The dog ran after a cat in front of them and tugged hard on the leash.  Which of the following most likely happened next?

• Mike was pushed forward by the leash.

• Mike fell over the cat.

• Mike was pulled forward by the leash.

What is something on the playground that you can push?

• swings

• slide

• basketball goal

Will a car go faster on a smooth ramp or a bumpy ramp?

• smooth ramp

• bumpy ramp

Answer explanation

There is less friction with a smooth ramp.