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KE and PE

100

• As mass decreases, kinetic energy increases (T/F)

F

200

The type of energy in a moving object is:

Kinetic energy

300

• A stretched rubber band has what type of energy?

Potential energy/ elastic potential energy

400

• A roller coaster that is at the top of a hill has _______ energy

Potential

500

Why is speed a more important factor in a vehicle collision than mass?

KE increases with the square of the speed. Speed increased KE more than mass. 

(KE increases at the same rate as mass)

Conservation of energy

100

Energy is measured in:

Joules

200

Kinetic energy depends on:

mass and speed

300

With no friction and pendulum will transfer energy between which two energy stores?

KE and GPE

400

The total amount of energy in a system is also called the _______ energy. 

Mechanical

500

What is the law of conservation of energy?

Energy cannot be destroyed only transferred

Energy

100

An airplane, a car, and a bicycle are all traveling at the same velocity.

Which has the most kinetic energy?

The airplane

200

• When you rub your hands together quickly, friction causes some of the mechanical energy to transfer to thermal energy (T/F)

T

300

• Which statement is not true about energy?

a. Energy is the ability to do work.

b. Energy is neither created nor destroyed.

c. Potential energy is the energy of motion.

C

400

• Stored energy is called ________

Potential

500

1. The magnetic field is strongest at the ________.

poles

Forces and motion

100

• Forces between objects occur in pairs (T/F)

True

300

• Gravity is an example of which kind of force?

Non contact

400

A change in motion is caused by an __________ force

unbalanced

500

• When riding a bike, you eventually stop because of ________.

Friction