Laws

What law is best described by inertia?

• 1st
• 2nd
• 3rd

formula for acceleration is

• Mass X speed
• distance divided by time
• force devided by time
• mass x acceleration

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

A ____________ is a push or a pull on an object.

• friction
• force
• magnet
• gravity

The force that pulls objects towards Earth.

• Gravity
• Friction
• Inertia
• Force

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________

• inertia
• motion
• gravity
• lubricant

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

An object's velocity describes an object's speed --

• over a certain amount of time
• in a certain direction
• multiplied by it's acceleration
• divided by how much mass the object has

Newton's 1st Law of Motion is also known as the Law of ______________.

• Universal Gravitation
• Inertia
• Reaction Force
• Action Force