Which one is NOT a simple machine?

___________ is when surfaces rub against each other.

Select ALL that are Simple Machines?

The mass of a rock is more or less than the mass of a feather?

This is an example of what simple machine?

How is the bucket going to get to the bottom of the well?

If something has a lot of mass, you will need to use a lot of __________ to move it.

What simple machine is this?

What would happen to a truck if several people begin to push it?

What is force?

How does a simple machine make it easier to do work?

A wagon is an example of which simple machine?

Which type of force does a person use to make you swing higher?

You shoot a basketball but it falls short of the target. What should you do the next time you shoot the ball from the same spot?

Why does something fall back to the ground when thrown into the air?

Which simple machine is used to hold things together?

Why would one side (side A) of a lever be lower than the other side (side B) of the lever?

How can a lever be balanced?