Force
It's all Matter
Energy
Work, work, work
Uncle Newton's Laws
100
What is force?
A push or a pull.
100

Does your mass change or your weight when you are on different planets?

Weight.

100

What are two types of energy? 

Kinetic and Potential

100
What is work?
force moving an object
100

Which of Newton's laws is also referred to as the Law of Inertia?

Newton's 1st Law

200
What force pulls us toward the earth?
Gravity.
200

If the forces acting on an object are balanced, what will the object do?

not move

200

Energy is....

The ability to do work.

200

If one person is pushing a box with the force of 12 Newtons to the left, and another person is pushing the box to the right with a force of 10 Newtons to the right, than how will the box move?

2 Newtons to the left.

200
Can you see a force?
no, forces can only be felt
300

What do we call the sum of all forces on an object?

Net force

300
What happens when an unbalanced force acts on the mass of an object?
The object moves.
300

Energy is never lost. It is just ...

transferred into a different form or stored.

300
What is kinetic energy?
Energy of motion
300
What is Newton's 3rd law of motion?
For every action there is an equal and opposite reaction.
400

What force resists movement between two objects?

Friction

400
What is an objects mass made of?
Matter
400

When a roller coaster is nearing the bottom of a hill, it's kinetic energy is at it's ...

greatest

400

According to Newton's 2nd law, why is it more work to exert a force on a wagon full of bricks than a wagon full of  feathers?

Because the greater an object's mass, the more force is needed to move it. 

400
What is Newton's First law of motion?
An object at rest or in motion will stay at rest or in motion unless acted on by an unbalanced force.
500

Why do things weigh less on the moon?

The gravitational pull is less on the moon than it is on Earth.

500

What is is it called when an object wants to continue doing what it is doing?

Inertia

500

What is one thing that affects how much potential energy an object has?

position or mass

500

You are riding your bike and your tire hits a rock and stops the bike suddenly. You fall forward over the handlebars. Why

Newton's 1st Law

500

What does Newton's second law tell us?

Force x Mass = Acceleration

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