Force and Motion

Front

What is the definition of friction?

Back

Friction is a force that acts between two objects that are touching, slowing any movement between them.

Front

What is a force?

Back

A force is a push or pull exerted on an object.

Front

What does it mean to pull an object?

Back

To pull an object means to apply force to move it toward or with you.

Front

What causes a soccer ball to slow down when kicked across grass?

Back

Friction between the ball and the grass causes it to slow down.

Tags

NGSS.MS-PS2-2

Front

What is magnetism?

Back

Magnetism is a force that pushes or pulls a magnetic material across a distance.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What are the two main types of forces?

Back

The two main types of forces are contact forces and non-contact forces.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

Give an example of a contact force.

Back

Friction is an example of a contact force.

Front

What is the role of gravity in motion?

Back

Gravity is a force that pulls objects toward each other, affecting their motion.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

How does friction affect the motion of objects?

Back

Friction opposes the motion of objects, causing them to slow down or stop.

Tags

NGSS.MS-PS2-2

Front

What is the difference between a push and a pull?

Back

A push moves an object away from you, while a pull moves it toward you.