Work and Power

units for work are

• newtons

• joules

• meters

• seconds

Tags

NGSS.HS-PS3-2

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J

• 30 J

• 120 N

• 30 N

work transfers

• sweat
• energy
• velocity
• effort

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

The equation for POWER is

• power = mass x time

• power = work / time

• power = time / work

• power = work x time

_______________ is done when a force acts on an object and the object moves in the direction of the force.

• Work

• Kinetic energy

• Watt

• Joule

Tags

NGSS.HS-PS3-2

________________ is the rate at which work is done.

• Power

• Work

• Time

• Energy

The unit of power (aka Joule per second)

• Joule

• Minute

• Watt

• Pound

This theorem states, "The net work done on an object is equal to the change in its kinetic energy"

• Work-Energy Theorem

• Paul-Newman Theorem

• Action-Reaction Theorem

• Study-Now Theorem

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

"The mechanical energy of a system neither increases nor decreases in any process. It stays constant and is conserved." this is...

• Work-energy theorem

• Law of conservation of energy

• Newton's second law of motion

• King's theorem of energy