Forces

Which force is slowing the race car down the most?

• friction

• gravity

• air resistance

• pull

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

A push or a pull that can move an object is a __________.

• gear
• lever
• force
• machine

Tags

NGSS.MS-PS2-2

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced

The direction and speed of an object is an object's _________.

• velocity
• average displacement
• average speed
• displacement

The force resulting from the pull of the earth on an object

• mass
• gravity
• acceleration
• unbalance

Tags

NGSS.MS-PS2-4

Acceleration is the change in speed or direction of and object.

• True
• False

Tags

NGSS.MS-PS2-2

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

What famous scientist was the unit of force named after?

• Isaac Newton
• Galileo Galilei
• Albert Einstein
• Charles Darwin

The amount of matter in an object

• velocity
• gravity
• meters
• mass

Tags

NGSS.MS-PS1-1

Gravity is what type of force?

• push
• mean
• neutral
• pull

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5