Practice Work and Energy

Which of the following does NOT have kinetic energy?

• A student walking to class

• A ball rolling up a hill

• An airplane falling in the sky

• A student sitting on top of a table

Tags

NGSS.HS-PS3-2

Gravitational potential energy is best defined as…

• Energy caused from friction

• Energy stored due to its relative height

• Energy of motion

• Energy stored in a chemical bond

Tags

NGSS.MS-PS3-2

• 22 J

• 67 J

• 600 J

• 490 J

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NGSS.MS-PS3-2

What is work?

• A physics concept with units of Newtons

• A force that causes a displacement

• A change in potential energy

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NGSS.HS-PS3-2

Which of the following is an example of you doing work?

• Holding a car above your head

• You sitting on a motorized mechanical dog

• Pushing a heavy cat up a ramp

• Pushing against a sturdy walrus

• 10 m

• 2 m

• 200 m

Tags

NGSS.HS-PS3-2

A weightlifter lifts a pillow over her head. What type of work is this?

• Positive

• Negative

• No work

A mouse slides into a dinosaur's mouth. What type of work does friction do on the mouse?

• Positive

• Negative

• No Work

If this mini person has 20 J of potential energy at point b, what is the person’s mass? PE = m*g*h

• 0.5 kg

• 1 kg

• 1.5 kg

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

At which point on the diagram does the person have the most Kinetic energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS3-2