Physics Quiz

Which force always pulls downward on objects?

• Gravity

• Support force

• Air resistance

The measure of how far or near two points are from one another is called...

• velocity

• speed

• acceleration

How can you describe force?

• A pull only

• A push only

• A push or a pull

What unit do scientists use to measure force?

• grams

• Newton

• meters

What kind of force is present in stretched strings, ropes, and cables?

• gravitational

• magnetic

• tension

How do you describe the motion of a person not wearing a seat belt if the car stops suddenly?

• The car will stop and the person will keep moving forward because of inertia.

• The person and car will stop together.

• The person will stop faster than the car because they are lighter.

Which of the following produces motion?

• A girl kicking a ball across the room.

• A man pushing a concrete wall.

• An apple on the table.

When you slide a box across the floor what force must your push be stronger than?

• gravity

• air resistance

• friction force

What force acts perpendicular to the common surface contact?

• Normal force

• Magnetic force

• Tension

Who discovered the three laws of motion?

• Isaiah Newton

• Issa Newton

• Isaac Newton