What are Forces?

_______________________ are forces that cause a change in motion.

• unbalanced force

• balanced force

• friction

• gravity

Force is measured in units called _________________.

• Pounds

• Grams

• Newtons

• Liters

______________________ is a force of attraction between two objects. It acts even when objects are not touching.

• friction

• heat

• gravity

• balanced force

____________________ is a force that opposes motion and acts between two objects that are touching.

• gravity

• balanced force

• unbalanced force

• friction

A __________________ is a push or pull.

• fold

• force

• fable

• fort

_____________________________ are forces on an object that are equal in size and opposite in direction.

• unbalanced forces

• Newtons

• balanced forces

• friction

Friction can also exist between air and a moving object. This is called ___________________________.

• air horn

• air renaissance

• air balloon

• air resistance

___________________________ are tools used to measure force.

• spring scales

• balance scales

• tablespoons

• magnified glass

A large force will cause a _______________ change in the motion of an object. A small force will cause _______________ change.

• little, large

• no, some

• large, little

• some, no

What is an example of a force being applied and nothing happening?

• kicking a soccer ball.

• throwing a baseball.

• shooting a basketball.

• leaning against a wall.