What is the term for the rate at which an object changes its position?

Which of these is NOT a unit of speed?

What force opposes motion between two surfaces in contact?

What is the name for a change in velocity over time?

Which of Newton's laws describes inertia?

What is the force that pulls objects towards each other?

If you push a wall, the wall pushes back with equal force. Which law is this?

What happens to an object in motion if no forces act upon it?

The amount of matter in an object is known as its:

What simple machine is a sloped surface used to reduce the force needed to lift an object?