Energy Midterm

When energy moves from one form to another it is said to be _________________

• Transformed
• Eliminated
• Lost.
• Created 

Tags

NGSS.HS-PS3-3

The energy associated with motion is called

• Kinetic energy
• Elastic potential energy
• Gravitational potential energy
• Nuclear energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When you rub your hands together on a cold day, you use friction to convert

• Mechanical energy into thermal energy
• Thermal energy into nuclear energy
• Nuclear energy into electrical energy.
• Electrical energy into radiant energy

Tags

NGSS.HS-PS3-4

Which of the following has kinetic energy?

• a rock poised for a fall

• an archer's bow that is drawn back

• a rolling bowling ball

• A spring that has been compressed

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Energy of a rock perched on a cliff is an example of...

• gravitational
• elastic
• chemical
• kinetic

Tags

NGSS.HS-PS2-4

Energy from a compressed spring would be an example of...

• kinetic
• elastic
• gravitational
• chemical

How much work is being done with 200 N of force to the right on object that moves 426 meters to the right? (assume the force and displacement are in the same direction)

• 85,200 J

• 45,620 J

• 90,480 J

• 62,329 J

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS3-2

When you release a stretched rubber band, the rubber band has ________ energy. 

• kinetic 
• potential
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-2

What is the formula for calculating the total amount of mechanical energy?

• ME = KE + PE

• KE = ME + PE

• PE = mgh

• ME = 1/2 mv²