Potential energy, kinetic energy, work and power

The formula for work

• Work = power x distance

• Work = force divided distance

• Work = force times distance

• Work = force times seconds

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Tags

NGSS.MS-PS3-2

What kind of energy is in a moving skateboard?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Tags

NGSS.MS-PS3-2

Which is the best example that something has kinetic energy?

• a. a car parked on a steep hill 
• b. a tennis ball rolling across the court
• c. a picture hanging on the wall 
• d. a piece of coal before it's burned 

Tags

NGSS.MS-PS3-1

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy can be _____________ or changed from one type to another.

• destroyed

• transformed

• created

• ignored

A crane lifts an 8-m long steel girder weighing 2600 N up 15 m off the ground. The crane did ___ of work.

• 0 J

• 39000 J

• 20800 J

• 2600 J

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

What is NOT a form of energy?

• plastic

• thermal

• electrical

• radiant

Energy is the ability to cause _________.

• change

• problems

• channels

• solutions

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

NGSS.HS-PS3-4