Mechanical Energy

At which point is potential energy greatest?

• W

• X

• Y

• Z

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Tags

NGSS.HS-PS2-4

What kind of energy is in a moving skateboard?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

An object falling from 50m will have ___________ potential than an object falling from

30m.

• greater

• less

• equal

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

• more
• less
• none of the above
• all of the above 

Tags

NGSS.HS-PS3-2

A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?

• 3.2 J
• 4.2 J
• 2.0 J
• 12.8 J

Tags

NGSS.HS-PS3-2

A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?

• 427,500 J
• 237,500 J
• 437,500 J
• 537,500 J

Tags

NGSS.HS-PS3-1

2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS3-2

A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?

• 43982.4 J
• 63982.3 J
• 43962.4 J
• 83942.4 J

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-1