Forces and Motion Test Review

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

• gear
• lever
• force
• machine

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

• acceleration
• inertia
• friction
• unbalanced

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

• mass
• gravity
• acceleration
• unbalance

Where in the universe does gravity act?

• nowhere
• only on Earth
• only between the Sun and planets
• everywhere

Acceleration is an increase in speed.

• True

• False

What does this graph represent?

• Constant Speed

• Acceleration

• Not moving

• Slowing down

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

• Slowing down

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

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

• unbalanced
• weak
• balanced
• Hulk Smash!

What famous scientist created 3 laws of motion?

• Isaac Newton

• Galileo Galilei

• Albert Einstein

• Charles Darwin