Force quiz

What is force? 

• A.  An invisible object.
• B.  A push or a pull on an object.
• C.  Matter you can hold in your hand.
• D.  A living thing.

What can forces do? 

• A.  can affect how objects move.
• B.  never affect how objects move.
• C.  only affect an object's speed but not its direction.
• D.  only affect an object's direction but not its speed. 

What is the primary pulling force that always occurs on Earth? 

• A.  inertia
• B.  holding force
• C.  momentum
• D.  gravity

What is a force between objects that are touching as one object moves across the other? 

• A.  Momentum
• B.  Inertia
• C.  Friction
• D.  Density

What would happen if objects do not have friction? 

• A.  objects would be able to rest.
• B.  objects would not be able to rest.
• C.  objects would not fall down.
• D.  objects would slide. 

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Force pair that has a net force of zero.

• Balanced force
• Unbalanced force

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

• The Law of Inertia (1st law)
• The Law of Acceleration (2nd law)
• The Law of Conservation of Momentum
• Action Reaction Law (3rd law)