Forces
Friction
Gravity
Mystery
Newton's Laws of Motion
100

A push or pull that gives energy to an object

What is a force?

100

When friction occurs, this energy form is created on the surfaces that rub together

What is heat?

100

Gravity depends on ____ and  _____.

What is mass and distance?

100

The rate of acceleration caused by gravity on Earth.

What is 9.8 m/s 2 ?

100

Tendency of an object to resist a change in motion.

What is Inertia?

200

The combination of all forces acting on an object.  

What is Net Force?

200

Friction that occurs when one solid surface slides over another.  

What is sliding friction?

200

This has a weaker gravitational strength than Earth and isn't a planet.

What is the moon?

200

The scientist who developed The Laws of Motion as well as The Universal Law of Gravity.  

Who is Sir Isaac Newton?

200

According to Newton's second law, what will increase as force increases?

What is acceleration?

300

The Si unit used to measure force

What is a newton?

300
Can be added to engines to reduce friction
What is a lubricant?
300

Which object will gravity accelerate faster, a 10 gram rock or a 1,000 lb slab of concrete?

Neither, they will accelerate due to gravity at the same rate.

300

The greatest velocity a falling object reaches.

What is terminal velocity?

300

Oil, grease, butter and WD 40

What are lubricants?

400

A force that changes an object's  motion.

What is an unbalanced force?

400

The four types of friction

Sliding, Rolling, Fluid, Static

400

Wheels and ball bearings create this

What is rolling friction?

400

An object that is thrown.

What is projectile ?

400

A bug hits a windshield and goes splat. The windshield hit the bug and the bug hit the windshield. Which delivered the greater force?

Neither, the forces are equal.

500

A force that pulls objects toward each other

What is gravity?


500

Friction that acts on objects that are not moving.

What is Static Friction?

500

A measurement of the gravitational pull on an object.

What is weight?

500

Air resistance is a type of ________friction

What is fluid friction?

500

What is the equation that represents Newton's 2nd Law?

What is F=m x a  (mass times acceleration)?