Work and Energy Test

What happens to the kinetic energy of a moving car if you double the velocity of the car?

• It increases by 4 times

• It increases by 2 times

• It decreases by 4 times

• It decreases by 2 times

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What happens to the potential energy of a car if you double the mass and double the height?

• It increases by 4 times

• It increases by 2 times

• It decreases by 4 times

• It decreases by 2 times

Tags

NGSS.MS-PS2-4

When energy in a system is transformed, what happens to the total amount of energy in the system?

• It increases

• It decreases

• It stays the same

• It goes to zero

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

If you lift one load up two stories, how much work do you do compared to lifting one load up only one story?

• one quarter (1/4) as much

• one half (1/2) as much

• twice as much

• four times as much

Tags

NGSS.MS-PS3-2

Nellie lifts 2 books up 2 meters in 2 seconds. Billy lifts 2 identical book up 2 meters in 4 seconds. Who did more work?

• Nellie did more work

• Billy did more work

• They both did the same amount of work

• Neither of them did work

Tags

NGSS.MS-PS3-2

Energy due to motion is called __________ energy.

• Kinetic

• Potential

• Chemical

• Power

Tags

NGSS.MS-PS3-5

Energy due to an object's position is called __________ energy.

• Kinetic

• Potential

• Chemical

• Power

Tags

NGSS.MS-PS3-2

At which point does the ball have maximum gravitational potential energy?

• A

• B

• D

• G

At what point does the ball have maximum kinetic energy?

• A

• B

• D

• G

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Wile E. Coyote was chasing the Road Runner and ran off a cliff. Where does he have equal amounts of potential and kinetic energy?

• When he holds up the sign that says "Yikes" before he falls

• Right after he starts falling

• Halfway to the ground as he falls

• Just before he hits the ground

Tags

NGSS.MS-PS3-2