Forces and Interactions

A push or pull in a direction

• Friction

• Gravity

• Force

Magnets can:

• push

• pull

• push or pull

A book sitting on a desk is an example of

• friction

• balanced force

• gravity

A noncontact force that causes a ball to fall back toward earth if you throw it in the air.

• gravity

• friction

• force

Objects change motion when forces are

• balanced

• unbalanced

• friction

Multiple forces can act on an object at the same time.

• True

• False

Examples of pull force (click three)

• tying a shoe

• pulling wagon

• "your MOM"

• magnet sticking together

What cause movement to stop?

• friction

• gravity

• unbalance force

hitting a tennis ball is an example of:

• pull

• push

• gravity

A force :

• a ball falling toward the earth

• is a push or pull in a direction

• causes movement to stop