Work-Energy Theorem

True or False: The Work-Energy Theorem says that the work done on an object is equal to that objects change in energy.

• True

• False

Tags

NGSS.HS-PS3-1

Which equation below represents the work-energy theorem?

• W=F*d

• PE=mgh

• F=ma

Tags

NGSS.HS-PS3-1

• change in

• total

• sum

• product

Tags

NGSS.HS-PS3-1

Which of the following is "having the ability to do work"

• Energy

• Force

• Work

• Displacement

Tags

NGSS.HS-PS3-2

Energy makes things _______

• go

• move

• happen

• All of the above

Tags

NGSS.MS-PS3-5

The unit for energy is

• Joules (J)

• Newtons (N)

• meters (m)

• meters per second (m/s)

When a hockey puck slides across ice, what can we say about the change in the puck's energy?

• It's positive

• It's negative

• It doesn't change at all

• Not enough information

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

A student does 80J of work on an object. How much did the object's energy change?

• 80J

• 160J

• 40J

• Not enough information

Tags

NGSS.HS-PS3-1

If a car starts with 7,000J of energy and increases it's energy to 8,000J, how much work did the engine do on the car?

• 1,000J

• 15,000J

• 7,000J

• 8,000J

Tags

NGSS.HS-PS3-1

If a ball started with 60J of energy and 20J of work is done on it, how much energy does it have now?

• 80J

• 40J

• 60J

• 20J

Tags

NGSS.HS-PS3-1