Work, Power and Energy

The equation for work is

• work = power x mass

• work = power / time

• work = force x distance

• work = distance x time

Tags

NGSS.MS-PS3-5

The equation for POWER is

• power = mass x time

• power = work / time

• power = time / work

• power = work x time

The equation for POTENTIAL ENERGY is

• PE = mass x gravity x height

• PE = gravity x weight

• PE = height / work

• PE = work / time

Tags

NGSS.MS-PS3-2

The equation for KINETIC ENERGY is

• KE = mass x gravity

• KE = 1/2 height x speed

• KE = mass²

• KE = 1/2 mass x speed²

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS3-1

The product of the net force on an object and the distance through which the object is moved

• joule

• power

• work

• energy

_______________ 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

The unit for work (aka Newton-meter)

• Watt

• Power

• Work

• Joule

________________ is the rate at which work is done.

• Power

• Work

• Time

• Energy

The unit of power (aka Joule per second)

• Joule

• Minute

• Watt

• Pound

___________ is the ability to do work.

• Power

• Speed

• Velocity

• Energy