Work, Power, and Energy

The kinetic energy of an object increases as its __________ increases.

• gravitation energy

• potential energy

• velocity

• specific heat

Tags

NGSS.MS-PS3-1

The SI unit for energy is the _____________.

• calorie

• meter per second

• kilogram

• joule

You can calculate gravitational potential energy by using the equation ____________________.

• GPE(J) = 1/2 mass x 1/2 height

• GPE(J) = weight x height or mass x gravity x height

• GPE = mv²/2

• GPE= 1/2 mass x velocity

Tags

NGSS.MS-PS3-2

According to the law of conservation of energy, the total amount of energy in the universe ____.

• remains constant

• changes constantly

• increases

• decreases

The unit of power is the ____.

• joule

• watt

• m/s

• m/s

Which gives the correct relationship for kinetic energy?

• KE = mv

• KE = mv 2

• KE = 1/2 mv

• KE = mv ² /2

Tags

NGSS.HS-PS3-2

What is the proper unit for gravitational potential energy?

• gravitons

• joules

• newtons

• meters

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

At what point on a roller coaster is the gravitational potential energy (GPE) the lowest?

• at the top of the highest drop

• at the lowest point of the roller coaster

• while on the decline

• while on the incline

Tags

NGSS.MS-PS3-2

Type of energy that is associated with motion, that is the sum of the kinetic and potential energy of the objects in a system

• chemical

• radiant

• thermal

• mechanical

Tags

NGSS.MS-PS3-1

Energy caused by moving electrical charges.

• radiant energy

• nuclear energy

• electrical energy

• thermal energy

Tags

NGSS.HS-PS3-2

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