Work, Power, and Energy Review

Kinetic energy is energy that is ​ ​ ​ (a)  

• stored

• destroyed

• created

• moving

A 20 kg object is sitting on top of a table that is 1.3 m high. What type of energy does it have?

• kinetic

• potential

• chemical

• electrical

Tags

NGSS.MS-PS3-2

The diagram shows a ball swinging at the end of a string. At which point(s) would the ball have the greatest potential energy (PE)?

• A and D

• B and C

• B

• C

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Which of the following have kinetic energy?

• Cookie sitting on a plate

• Truck racing down the street

• Person on an afternoon run

• Rubber band stretched and ready to be flung across the room

Tags

NGSS.MS-PS3-1

When calculating potential energy, the mass should be in which units?

• grams

• kilograms

• milligrams

• pounds

Tags

NGSS.MS-PS3-2

The diagram shows a ball swinging at the end of a string. At which point(s) would the ball have the greatest kinetic energy (KE)?

• A and D

• B and C

• B

• C

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The diagram shows a ball swinging at the end of a string. At which point(s) would KE and PE be basically equal?

• A and D

• B and C

• B

• C

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A 20 kg object is sitting on top of a table that is 5.0 m high. How much potential energy does it have?

• 980 J

• 980 W

• 540 J

• 490 J

• 490 W

Tags

NGSS.MS-PS3-2

Which of the following is the unit for power?

• Joule (J)

• watt

• kilogram

• m/s

A 4.0 Kg object is moving at 3 m/s. How much kinetic energy does it have?

• 18 W

• 6 J

• 9 J

• 18 J

• 6 W

Tags

NGSS.MS-PS3-1