Force, Motion and Energy

The measure of motion

• Inertia

• Speed

• Friction

• Gravity

What is a force that causes moving objects to slow down?

• gravity

• pull

• friction

• matter

Which surface will produce the least amount of friction? 

• Fuzzy soccer field

• Gravel running track

• Smooth glass tabletop

• Grassy Soccer Field

What kind of energy is represented in this picture?

• Thermal

• Potential

• Nuclear

• Mechanical

A push or a pull

• Force

• Gravity

• Pulley

• Inclined Plane

An object can't move unless there is a __ causing it to move.

• speed

• force

• chair

• fork

Which of the following will cause the most friction?

• Ice 

• sandpaper

• wood

• oil

Which of the following is not a form of energy?

• sun

• thermal

• light

• mechanical

How can friction be helpful?

• It allows us to accelerate.

• It allows us to decelerate or slow down.

• It is not helpful.

• It can only help when it is cold.

When an object is in motion, it changes ___.

• color

• shape

• size

• position