Unit 4 - Force & Motion

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is friction?

Back

A force that opposes the motion of an object when it is in contact with another surface.

Front

What are balanced forces?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Forces that are not equal, causing a change in motion.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, like iron, using magnets.

Front

What is a push force?

Back

A force that moves an object away from you.

Front

What is a pull force?

Back

A force that moves an object closer to you.

Front

How does friction affect motion?

Back

Friction slows down or stops the motion of an object.