Newton's Laws of Motion Assessment

A car makes a turn and increases its speed from 10mph to 15mph. This is an example of

• Speed
• Inertia
• Force
• Acceleration

Which of the following requires the strongest force to accelerate?

• Cannonball
• Soccer ball
• Beach ball
• Football

A box is sliding down a ramp. Friction between the box and the ramp will...

• Increase the box’s speed
• Decrease the box’s speed
• Increase the box’s weight
• Decrease the box’s weight

A person steps onto the bathroom scale exerting a downward force of 100lbs. What force does the scale exert, or push back?

• upward force of 100 lbs
• downward force of 100 lbs
• upward force of 200 lbs
• downward force of 200 lbs

A car is sitting still. What could CAUSE the car to MOVE?

• Inertia
• Force
• Motion
• Mass

What keeps Earth in orbit around the sun?

• Light
• Heat
• Sun
• Gravity

What is designed to create friction?

• Car brakes
• Parts of an engine
• Radio antenna
• Airplane wings

What causes you to fall backward?

• Gravity
• Unbalanced force
• Friction
• Density

Using this train scenario, decide which law of motion best describes the actions of the passenger.

• First law
• Second law
• Third law

This law of motion describes the amount of force that must be applied on a car’s brakes to make it stop.

• First law
• Second law
• Third law