Kinetic/Potential Energy (Hard)

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

• A. Its potential energy at the top is 200 J  
• Its kinetic energy at the ground is 7.5J
• C. 200J of work was done on the rock 
• D. The potential energy at the ground is 0J

Tags

NGSS.HS-PS3-2

NGSS.HS-PS2-4

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

• 3.98 km

• 392 m

• 3.92 m

• 3

Tags

NGSS.HS-PS3-1

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

The ability to do work is called

• velocity
• energy
• conversion
• friction

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

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
• f
• b
• a

Tags

NGSS.MS-PS3-2