Physical Science Unit 2 Test

A squirrel has a weight of 4.9 N. What is his Mass if he is running on the Ground?

• 4.9 kg

• 9.8 N/kg

• 0.5 kg

• 5.0 kg

What explains a quantity that has BOTH speed and direction?

• Inertia

• Force

• Speed

• Velocity

What is Newton's 1st Law?

• For every action there is an equal and opposite reaction.

• An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

A force is:

• a push

• a pull

• both

• neither

Newton's Second Law is also known as the Law of _______

• Inertia

• Acceleration

• Action - Reaction

• Gravitation

A ping-pong ball rolls forward 6 meters, and bounces backward 3 meters. What was its displacement (distance from the origin)?

• 9 meters
• 6 meters
• 3 meters
• 0 meters

What is Newtons 3rd law of motion?

• An object at rest stays at rest unless acted on an unbalanced force.
• For every action there is a equal and opposite  reaction.
• Law of gravity 

A bus took 12 minutes to drive 8 miles.  What was its average speed?

What is the unit for FORCE?

• N (Newtons)

• lbs (pounds)

• g (grams)

• m/s (meters per second)

What is the net force?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left