Energy, Work, & Power

The ability to do work or cause change:

• work

• energy

• momentum

• power

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

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 student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

• 12 J

• 8 J

• 20 J

• 5 J

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

NGSS.MS-PS3-4

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

Which of these items is are part of the law of conservation of energy?

• energy cannot be created nor destroyed

• energy can be destroyed

• energy can be transferred between forms

• energy is destroyed by friction

• energy can be created

Tags

NGSS.MS-PS3-5

Energy is

• how fast you do something.

• the ability to do work.

• confusing.

• how fast you lift something.