Calculating Kinetic and Potential Energy

Kinetic energy is the energy of _________________

• stillness

• position only

• motion only

• stored energy

When a sling shot is pulled back all the way it has ...

• kinetic energy

• elastic potential energy

• chemical energy

• gravitational potential energy

Tags

NGSS.MS-PS3-2

If you increase ________________ and _______________, then you will increase the object's amount of potential energy

• mass, speed

• weight, velocity

• mass, acceleration

• weight, height

Tags

NGSS.MS-PS3-2

Which one has more kinetic energy and why? Bowling ball v. Soccer ball

• a bowling ball because it has more mass

• a bowling ball because it is smaller

• a soccer ball because it has more mass

• a soccer ball because it is smaller

Tags

NGSS.MS-PS3-1

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The amount of kinetic energy something has depends on its...

• mass and height

• mass and weight

• mass and speed

• weight and mass

Tags

NGSS.MS-PS3-1

When a person is jumping rope, where do they have the most POTENTIAL energy?

• at the bottom when they hit the gound

• at the bottom when they bend their knees

• at the top right before they go down again

• in the middle of their jump

Tags

NGSS.MS-PS3-2

When a person is sledding down a hill, where do they have the most KINETIC energy?

• at the very top of the hill

• once they have stopped

• at the bottom of the hill when they are going the fastest

• right after the top of the hill

Tags

NGSS.MS-PS3-1

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How can you increase the potential energy of a diver in the Olympics?

• go to a lower diving board

• work out and lose weight

• jump

• go to a higher diving board

Tags

NGSS.MS-PS3-2

What is the kinetic energy equation?

• KE=mass X speed

• KE= 1/2 X mass X speed²

• KE=mass X speed²

  ^{-------------------------}

  2

• KE= 1/2 X speed X mass²

Tags

NGSS.MS-PS3-1

Determine the kinetic energy of a 625kg roller coaster that is moving with a speed of 18.3 m/s.

• 3,574,218.75J

• 104,653.125J

• 11,437.5J

Tags

NGSS.MS-PS3-1

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