Potential & Kinetic Energy Review

Potential energy depends on the ________ and ________ of the object.

• Height (position)

• Mass

• Speed

• Friction

Tags

NGSS.MS-PS3-2

Which point has the most potential energy?

• G

• F

• B

• A

Tags

NGSS.MS-PS3-2

At which point of the roller coaster is potential energy the greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

The faster an object moves, the ________ kinetic energy it has.

• more

• less

Tags

NGSS.MS-PS3-1

What is energy?

• rate of work
• Motion of an object
• ability to do work
• force over time

Kinetic energy depends on the ________ and ________ of the object.

• Height (position)

• Mass

• Speed

• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

How much gravitational potential energy does a 100kg (220lb.) skydiver have if they jump from 4000 meters?

• 3920000 J

• 294 J

• 180000 J

• 1225 J

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

• 294 J

• 180000 J

• 1225 J

• 3920000 J

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

• 250,000 J

• 2,450,000 J

• 2,451,663 J

• 248 J

Tags

NGSS.MS-PS2-4

A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

• 1225 J

• 180000 J

• 294 J

• 3920000 J

Tags

NGSS.MS-PS3-1