Force and Motion Modified Test

This type of force resist motion between two surfaces that are pressed together

• friction
• gravity

If the net force is equal to zero the forces acting on the object are 

• balanced
• unbalanced

The unit of force is

• newton
• kg

What is defined as a push or pull

• force
• vector

An _______ force must act on an object for it to CHANGE it's motion

• electrical
• unbalanced

What is MOVEMENT?

• work
• motion

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction

If these boys are pulling with the same amount of force.  What will happen?

• ball will fall down
• They will not move at all.

What pulls a ball back to earth?

• Gas
• Gravity

If you pull the cord, what direction will the box move?

• Up
• left