Work, Power and Energy

The ability to do work or cause change:

• work

• energy

• momentum

• power

Energy in the form of motion.

• mechanical energy

• potential energy

• kinetic energy

• momentum

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Stored energy in the form of position or condition.

• potential energy

• kinetic energy

• momentum

• mechanical energy

Tags

NGSS.MS-PS3-2

What is needed to calculate work?

• force

• distance

• time

• mass

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

• 200 J

• 80 J

• 5 J

• 2000 J

Tags

NGSS.MS-PS3-5

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

• 18 m

• 4 m

• 10 m

• 6 m

Tags

NGSS.MS-PS3-4

What is mechanical energy?

• total kinetic energy

• the energy of motion

• total kinetic and potential energy

• temperature plus heat

Tags

NGSS.HS-PS3-2

Which of these items is not part of the law of conservation of energy?

• energy cannot be created

• energy cannot be destroyed

• energy can be transferred between forms

• energy is destroyed by friction

Tags

NGSS.MS-PS3-5

At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?

• A

• B

• C

• D

Tags

NGSS.HS-PS3-2

What is needed calculate power?

• work

• time

• mass

• distance