Unit 4 Test Review

You hit a wall with a stick.  The equal but opposite reaction is ____.

• the wall pushes against you
• the stick pushes against you
• you push against the stick
• the wall pushes against the stick

A ping pong ball accelerates more than a baseball being thrown with the same force. This is an example of which Law of Motion? 

• Newton's First Law 
• Newton's Second Law 
• Newton's Third Law

What is the product of an objects mass and velocity?

• Momentum
• Gravity
• Inertia
• Weight

What is an attractive force that acts between any two objects?

• electromagnetic force
• Inertia
• Gravitational Force
• Mass

What is a force associated with charged particles, which has two aspects, electric force and magnetic force.

• Gravitational Force
• Sliding Friction
• Electromagnetic Force
• Weak nuclear force

What does this graph represent?

• Constant speed
• Acceleration
• Not moving
• decceleration

What is the powerful attractive force that binds protons and neutrons together in the nucleus.

• Gravitational Force
• Strong Nuclear Force
• Weak Nuclear Force
• Gravity

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

• 198 m/sec
• 170 m/sec
• 12 m/sec
• 18 m/sec

Which runner won the race?

• A
• B
• C

What does this graph represent?

• Constant speed
• Acceleration
• At rest
• slowing down