Kinetic/Potential Energy

A 5kg rock is lifted to a height of 4m in 3 seconds. Which of the following is FALSE?

• Its potential energy at the top is 196J

• Its kinetic energy at the ground is 7.5J

• The potential energy at the ground is 0J

How high must a 20kg box be lifted to give it 784J of potential energy?

• 4 km

• 400 m

• 4 m

• 4

The energy associated with motion is called

• kinetic energy
• elastic potential energy
• gravitational potential energy
• nuclear energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Unlike kinetic energy, potential energy is

• energy of motion
• stored
• conserved
• not measured

Tags

NGSS.MS-PS3-2

Potential energy that depends on height is called

• kinetic energy
• gravitational potential energy
• elastic potential energy
• mechanical energy

Tags

NGSS.MS-PS3-2

The law of conservation of energy states that when one form of energy is converted into another,

• energy is destroyed in the process
• no energy is destroyed in the process
• energy is created in the process
• some amount of energy cannot be accounted for

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Which of the following has kinetic energy?

• a rock poised for a fall
• a stretched rubber band
• a rolling bowling ball
• a car waiting at a red light

Tags

NGSS.MS-PS3-5

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

which point has the most potential energy

• G

• D

• B

• A

How much potential energy is at the top of a hill on a roller coaster ride

• 100%
• 50%
• 0%
• 20%

Tags

NGSS.MS-PS3-2