Show:
FRAME OF REFERENCE
MOTION
COLLISION
ENERGY
100

Can 2 observers describe the motion of an object differently? 

Yes 
100

What is one dimensional motion?

An object can move up and down OR side to side.
100

Is it preferred to have a collision for a ong period of time or short period of time?

Long period time. 
100
Stretching a rubber band is what kind of energy?

Potential

200

What is the definition of Frame of Reference? 

A specific view point used to describe motion.

200

What is Newton's Second Law of Motion?

Force equals mass times acceleration.

200

What is the formula for Impulse?

Force x Change in Time.

200

What are the 2 general types of energy we talked about?

Kinetic and Potential energy.

300

You are riding a bike and a car passes you on the street going in the same direction. What would the speed of the car look like to you on your bike compared to a person standing on the side of the road?

The speed of the car would seem slower to the biker and faster to the person standing on the side of the road. 
300

Why does a passenger lean forward when braking in a car? Identify the law of motion this is an example of.

Newton's First Law of Motion. Inertia
300

What is the perfectly inelastic collision?

When two objects collide and stay together. 

300

True or False

Energy can never be lost?

False, it can be lost in an open system with an external force.

400

A passenger in a moving train throws a ball straight up, how would you describe the motion as...

1. The passengers frame of reference.

2. an observer on the ground

1. The ball moves up/vertical.

2. the ball is moving upward and forward with the train.

400
Is shooting a basketball one dimensional motion or two dimensional motion? Explain why.

2 dimensional motion because it is moving up and down and forward.

400
What is the engineer's main priority of crash testing cars?

Trying to make the crash last longer (airbags, seatbelts, etc)

400

Why does a ball bounce lower after each bounce? what is the system open to?

losing energy so the system is open to energy.

500

Imagine you are in space with no landmarks to nearby to judge motion. how would you determine if you are moving or stationary? How does frame of reference play a role in this?

You cannot determine your motion without having a landmark/object to create a frame of reference.

500

What career did we talk about that connects with motion and frame of reference?

Animation

500

Which collision would have a higher impulse?

1. 3 second collision of 15 newtons of force.

2. 7 second collision of 15 newtons of force. 

3 second collision of 15 newtons of force.

500

When does potential energy become kinetic?

When the object begins to move.