BUZZ Lessons 81-83

You use forces all day long to ___________ the motions of objects in your world.

A ________ is a push or pull on an object resulting from the object's interaction with another object.

Force has both size and _________________.

• speed

• direction

• magnitude

What is net force?

When the forces acting on an object are added together, and the result is zero, you can say that the forces are _____.

• small

• large

• balanced

• unbalanced

_________________ is the resistance of an object to a change in its motion.

The more ____ an object has, the greater the force required to move or stop it.

When an object is in motion, it wants to stay in motion, and will unless an outside _________ acts on it like gravity or friction.

To ___________ means to change speed.

When a greater force is applied to an object, the object will _____.

• stop

• slow down

• speed up

• have balanced forces