Retrieval Practice: Forces and Motion

Pick the best definition of "force" from the following options

• A push or pull on an object with mass

• The ability of an object to move

• Anything that changes the appearance of an object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What causes motion?

• The mass of an object

• The application of force to an object

• Thinking really really hard

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following is required if you are to tell if an object is moving?

• A speedometer

• A reference point

• A keen intuition

• A scale

A force is described by...

• Its mass and distance

• Its speed and acceleration

• Its strength and direction

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is used to represent the direction and strength of a force acting on an object?

• an arrow

• a capital N

• a line

• a tiny dumbbell icon

Gravity is a ______________ force

• contact

• non-contact

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Friction is a _____________ force

• contact

• non-contact

What type of force is Magnetism?

• contact

• non-contact

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What type of force is air resistance?

• contact

• non-contact

How do you calculate "net force"?

• Add up all of the individual forces

• Multiply the individual forces

• Multiply mass x acceleration

• Divide the change in velocity by the change in time

Tags

NGSS.MS-PS2-2