Force and Motion

Front

What is force?

Back

A push or pull on an object.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is motion?

Back

The change in position of an object over time.

Tags

NGSS.MS-PS2-2

Front

What are balanced forces?

Back

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

Front

What are unbalanced forces?

Back

Forces that are not equal, causing an object to move.

Tags

NGSS.MS-PS2-2

Front

What happens when forces are balanced?

Back

The object remains at rest or continues to move at a constant speed.

Front

What happens when forces are unbalanced?

Back

The object accelerates in the direction of the greater force.

Tags

NGSS.MS-PS2-2

Front

What is gravity?

Back

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

Tags

NGSS.HS-PS2-4

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

How does friction affect motion?

Back

Friction slows down or stops the motion of an object.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.