Forces and Motion Quiz

A ____________ is a push or pull and can make an object stop, speed up, slow down, or change direction.

• gravitation
• work
• force
• inertia

An example of balanced forces is:

• Two soccer players running in opposite directions
• A book sitting on a desk
• A car gaining speed
• A person skating back and forth on an ice rink

Which of the follow is NOT used to reduce friction?

• Wheels
• Smooth surfaces
• Rough surfaces
• Oil

A force that sets an object into motion is

• Friction
• Gravity
• Balanced
• Unbalanced

A tie in an arm wrestling match is due to

• Balanced forces
• Unbalanced forces
• Friction
• Inertia

Forces can cause objects to

• Stop moving only
• Change direction only
• Start moving only
• Stop, start moving, or change direction

Jasmine can run 50 yards in 10 seconds. Jamie can run 100 yards in 20 seconds. Who runs at a faster speed? Remember speed=distance/time

• Jasmine
• Jamie
• They both run at the same speed

No force is necessary to

• Start an object moving
• Stop an object from moving
• Keep an object doing what it's already doing
• Change an object's direction

If you were on the moon, there would be a change in your

• Weight
• Weight and Mass
• Mass
• Volume

Distance divided by time is

• Velocity
• Speed
• Acceleration
• Momentum