Definitions
Experiment Results
Laws and Formulas
Famous Men
All about the Force
100

A push or pull that acts on an object

What is Force?

100

In experiment 7.1 step 3 the book and and the paper both fell at the same rate because they both experienced the same ______________.

What is Acceleration?

100

For every action, there is an equal and opposite reaction.

What is Newton's Third Law?

100

I thought all objects required force to maintain a constant speed.

Who is Aristotle?

100

Physicists think that there are only four different kinds of forces in creation known as

What are the Fundamental (Universal) Forces?

200

A force that opposes motion, resulting when surfaces of objects rub against each other.

What is Friction?

200

In experiment 7.2 Part 1, this force caused the coin to stay on the card when you pulled the card slowly.

What is Static Friction?

200

Mass x acceleration

What is Net Force?

200

I am a scientific genius, a man of faith and I developed laws of motion that governed objects in both the heavens and on Earth. 

Who is Sir Isaac Newton?

200

This force exists between particles with electrical charge and is the only force that can be either attractive or repulsive. 

What is Electromagnetic Force?

300

Friction that opposes the initiation of motion.

What is Static Friction?

300

In experiment 7.3 what real-life example was the experiment demonstrating.

What is How Rockets Fly?

300

An object in motion (or at rest) will stay in motion (or at rest) until it is acted upon by an unbalanced force.

What is Newton's First Law of Motion?

300

I promoted conducting experiments to develop scientific arguments.

Who is Galileo?

300

I am the force that causes objects to have weight.

What is Gravitational Force?

400

Friction that opposes motion once the motion has already started.

What is Kinetic Friction?

400

In experiment 7.1 step 02, this caused the book to fall faster than the piece of paper. 

What is Fluid Friction (Air Resistance)?

400

Mass x acceleration due to gravity.

What is Weight?

400

I reasoned that there were two sets of laws governing motion - one for the heavens and one for objects on Earth.

Who is Aristotle?

400

As the name implies I am the strongest of the four fundamental forces. I am about 100 times stronger than the repulsive electromagnetic force.

What is Strong Nuclear Force?

500

The motion of an object when it is falling solely under the influence of gravity (without air resistance). 

What is Free Fall?

500

Based on what you learned in Experiment 7.2, indicate which direction the cowboy fell in On Your Own question 7.4. 

What is Forward?

500

When an object is acted on by one or more unbalanced forces, the net force is equal to the mass of the object times the resulting acceleration.

What is Newton's Second Law of Motion?

500

By conducting experiments rolling balls down inclined planes, I began to develop the concept of inertia. 

Who is Galileo?

500

I play an important role in nuclear fusion, the reaction that powers the sun and hydrogen bombs

What is Weak Nuclear Force?