What is Force?

If a skateboard is sitting still on a level sidewalk, it...

• moves to the left.

• cannot move by itself.

• moves to the right.

• rolls away.

An object will only move when....

• nothing is happening.

• it is sitting still.

• you look at it.

• a force acts upon it.

Tags

NGSS.MS-PS2-2

What are two types of forces?

• Newtons

• pulls

• pushes

• an object

Tags

NGSS.MS-PS2-1

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What invisible force causes a skateboard to roll downhill when you let go?

• gravity

• push

• pull

• the ground

Tags

NGSS.MS-PS2-4

When a skateboard is sitting flat on the ground, what 2 forces are working on the skateboard?

• a person

• the ground

• gravity

• the moon

Tags

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What is the most common unit for measuring force?

• inches

• milliliter

• centimeter

• Newton

Tags

NGSS.MS-PS2-1

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What tool is used to measure force?

• ruler

• spring scale

• graduated cylinder

• syringe

What objects are interacting to make a bicycle move?

• The gears move the wheels.

• The bicycle pedals move the gears.

• The sun makes the pavement hot.

• A human pushes on the bicycle pedals.

Tags

NGSS.MS-PS2-2

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

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Look at the diagram with the spring scales. What is the force in newtons on EACH load?

• 1 N

• 2 N

• 2.5 N

• 5 N

Tags

NGSS.MS-PS2-2