Potential Energy

What is the gravitational potential energy of a 20 Kg car moving 65 m/s on level ground?

• 42, 250 J

• 84, 500 J

• 0 J

• 9.8 J

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS3-2

Roller coasters slow down because their energy disappears.  

• True 
• False

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What do you measure Energy in?

• grams

• meters

• Watts

• Joules

I am holding a balloon that is full of air, the balloon has

• kinetic energy

• potential energy

Tags

NGSS.MS-PS3-2

What is the gravitational potential energy of a 20 kg boulder sitting on 233 m hill?

• 4, 660 J

• 45, 668 J

• 11.15 J

• 213 J

What is the mass of an object with a PE of 2356 J sitting on a 200 m high cliff?

• 11.78 kg

• 11.78 kh

• 1.2 kg

• 240.4 kg

What is the height of a 30 kg object with a gravitational potential energy of 54, 456 J ?

• 185.22 m

• 1815.20 m

• 1, 633, 680.00 m

• 533,668.81 m

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-1

NGSS.HS-PS2-4

How do you increase gravitational potential energy?

• increase speed

• increase height

Tags

NGSS.MS-PS3-2

Potential and Kinetic Energy have a _______________ relationship. When one goes up the other goes down

• inverse

• direct