Force and Motion Quiz

Force is a _____ OR _____.

______ is a noncontact force. It is an attractive force that exists between all objects that have mass.

• gravity

• friction

• applied force

• tension

• magnetism

______ is a contact force that is applied to an object by a person or another object.

• gravity

• friction

• applied force

• tension

• magnetism

______ is a contact force that resists the sliding motion of two surfaces that are touching.

• gravity

• friction

• applied force

• tension

• magnetism

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

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

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. 

Mark and Ann were playing kickball. They both kicked the same ball, but noticed that Mark kicked the ball farther than Ann. What most likely caused the difference?

• Mark kicked with less force

• Mark's kick had less friction

• Mark kicked with more force

• The ball had less gravity

Forces can change the

• slow down or speed up objects only

• movement of objects but only if they were already in motion

• speed, direction or shape of an object

Air resistance is-

• when you're falling down

• The force that acts in the opposite direction to objects moving in the air.

• when the wind is blowing at high speeds

• slowing down of wind

What unit is used when measuring force?

• Grams (g)

• Milliliters (mL)

• Newtons (N)

• Centimeters (cm)