What Is Force

If one tug of war team is pulling with 600 N in one direction and the other team is pulling with -600 N, what is the net force on the rope?

• 600 N

• -600 N

• 0 N

• 1200 N

Tags

NGSS.MS-PS2-2

If gravity is pulling a laptop down with a force of 20 N, what is the force of the table pushing up?

• 0 N

• 40 N

• 10 N

• 20 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What are two types of forces?

• Newtons

• pulls

• pushes

• an object

Tags

NGSS.MS-PS2-1

What objects are interacting when you throw a ball straight up in the air?

• Gravity pulls the ball down.

• Nothing is interacting.

• You push the ball up.

• The spring scale is pushing the ball forward.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is NOT an example of an invisible force?

• gravity

• electrical force

• magnetic force

• a human push

Tags

NGSS.MS-PS2-5

Newton's 3rd law of motion states "For every action, there is an equal and ________ reaction."

• equal

• less

• more

• opposite

Tags

NGSS.MS-PS2-1

Say you apply a little horizontal push (force) to a laptop and it does not move sideways. What force is resisting the laptop's motion?

• friction

• spring scale

• Newton

• volume

A push or a pull exerted on an object in order to change the object's motion is called...

• a Newton

• a force

• a net force

Tags

NGSS.3-PS2-1

The SI unit of measure for force.

• Newton

• force

• net force

Which of the following best determines the net force when more than one force is acting on an object?

• a combination of all motions of an object

• a combination of all motions of an object in two directions

• a combination of all forces acting on an object

• a combination of forces acting on an object in two directions

Tags

NGSS.MS-PS2-2