Mechanical Energy (2)

Energy due to motion is ____________ energy.

• thermal

• sound

• kinetic

• potential

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The faster the object moves, the _______ kinetic energy it has.

• less

• more

• equal

• none of the above

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A 200 kilogram car is moving at a speed of 10 m/s. How much kinetic energy does the car have?

• 2000 J

• 40000 J

• 210 J

• 10000 J

The diagram shows 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.MS-PS3-5

Energy and Work are measured in ______

• Kilograms

• Newton

• Joules

• m/s

Kinetic energy depends on

• mass and height

• height and speed

• mass and force

• mass and speed

Tags

NGSS.MS-PS3-1

The sum of potential energy and kinetic energy equals

• total energy

• work

• transformation

• mechanical energy

Tags

NGSS.MS-PS3-5

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What form of energy is being used when a person pushes heavy boxes across the floor? 

• Electrical energy
• Mechanical energy
• Heat energy
• Sound energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The permanent source of energy is:

• The sky

• The sun

• wind