Energy, Force, Work, & Power

The ability to do work or cause change:

• work

• energy

• momentum

• power

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

NGSS.HS-PS3-5

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

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-PS3-2

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

NGSS.MS-PS3-5

What is mechanical energy?

• total kinetic energy

• the energy of motion

• total kinetic and potential energy

• temperature plus heat

Tags

NGSS.MS-PS3-4

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

• 100 watts

• 400 watts

• 104 watts

• 50 watts

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a 1300-kg car has been lifted so it has 19500 J of potential energy, it was lifted up ---.

• 1.5 m

• 150 m

• 15 m

• 0.67 m

Tags

NGSS.MS-PS3-2

What is the potential energy of a 3kg ball that is on the ground?

• 0 J

• 3 J

• 9.8 J

• 29.4 J

If the mass of the cart is 15kg, how much is the potential energy of the cart?

• 0J

• 1.2J

• 6J

• 58.8J

Tags

NGSS.MS-PS3-2