Units
Potential Energy
Kinetic Energy
Random 1
Random 2
100

What is the unit for mass (m)?

kg

100

Potential energy is _______ energy in an object based off of its position

stored

100

Kinetic energy is the energy of ______ objects

moving

100

T/F 

Energy can be created and destroyed

False

100

Does the kinetic energy increase or decrease has a object rolls down a hill?

Increase

200

What is the unit for velocity (v)?

m/s

200

True/False. The higher an object is, the more potential energy it has.

True

200

T/F. The slower an object is moving, the more kinetic energy it has.

False. 

200

What are the three types of energy discussed in this Unit?

Potential

Kinetic

Thermal

200

A roller coaster car has a mass of 1000 kg. It is moving along the track with a velocity of 25 m/s. What is the roller coaster car’s kinetic energy?

312,500

300

What is the unit for height (h)?

m

300

What is the equation for potential energy?

PE= m*g*h

300

What is the equation for Kinetic Energy 

KE= 1/2*m*v2

300

What force causes energy to be lost as heat?

friction

300

Where does the person have the most potential energy?

X and Z

400

What is the number we use for g?

9.8 m/s2

400

A 14 kg object is held at a height of 2 m above the ground, what is its gravitational potential energy?

274.4 J

400

A 12 kg object is moving at a velocity of 4 m/s, what is its kinetic energy?

96 J

400

If position 1 has a kinetic energy of 0 J and a potential energy of 100 J. How much potential energy is at position 3? 

0 potential energy

400

Label each as Potential or Kinetic energy

1. A bowling ball sitting on the rack

2. A race car going around a track

3. A spring in a pinball machine before it is released


1. potential

2. kinetic

3. potential

500

What is the unit for energy?

J

500

If I take a 1 kg brick that was sitting 1 m off the ground and lift it up to 4 m off the ground. How much is its new potential energy compared to the original (how many times bigger or smaller)

4x bigger

500

If an object has a potential energy of 155 J at the very top of its path, what is its kinetic energy at the very bottom of its path?

155 J

500

At what position does the girl have the only kinetic energy?

B

500

Energy cannot be _______ or _________, only _________

energy cannot be created or destroyed, only transformed.