Chapter 12 - Forces and Motion

A ________ is a push or pull on an object.

• Friction

• Force

• Air Resistance

• Gravity

What is the unit for force?

• Joule

• Meter

• Newton

• Pascal

True or False: When the net force acting on an object is zero, the object will move.

• True

• False

True or False: When unbalanced forces are acting on an object, the object will move.

• True

• False

The __________ is the overall force acting on an object after all of the forces are combined.

• Force

• Total Force

• Net Force

• Combined Force

When forces act in the same direction, you can ______.

• Subtract them from one another

• Add them together

When forces act in opposite directions, you can _____.

• subtract them from one another.

• add them together.

_________ friction acts on objects that are not moving.

• Static

• Sliding

• Rolling

• Fluid

________ friction opposes the direction of motion of an object as it slides over a surface.

• Static

• Sliding

• Rolling

• Fluid

________ friction acts on rolling objects.

• Static

• Sliding

• Rolling

• Fluid