Show:
Vocabulary
Energy
Work
Power
Math
100
A push or a pull
What is force
100
A diver on top of a diving board is an example of ______________________ energy.
What is potential energy
100
Two students who are similar in size walk up the same set of stairs. They are doing _________________ amount of work.
What is the same!
100
The two factors of power are work and ________________.
What is time.
100

It took 500 N to push a car 4 m. Work done?

What is work = 2000 J

200
Stored energy
What is potential energy
200
A car rolling down a hill is an example of _____________________ energy.
What is kinetic energy
200
Work = ____________________ x ___________________
What is FORCE x DISTANCE
200
Power is measured in _____________________.
What is watts.
200

It took 150 seconds to move a refrigerator.  You did 3,150 joules of work in the process.  How much power was required to move the refrigerator?

What is 21 W?

300
The units of force
What is newtons
300
A person skiing down a slope is ______________________ potential energy, and ____________________ kinetic energy.
What is losing potential energy and gaining kinetic energy
300
Holding a stack of books - work or not?
What is not doing work
300
The _________________ amount of time it takes to do work, the more power is produced.
What is shorter
300

Jamell exerted a force of 9,000 N on a parked car, but was unable to move it. How much work was done?

What is no work was done?

400

Units of power

What is Watts?

400
The unit of energy
What is joules
400
Pushing against a wall is an example of doing work. True/False
What is false - not moving over a distance!
400
Two cars that weigh the same race up the hill. Car 1 gets there twice as fast as Car 2. Which car had more power?
What is car 1
400

A 5 kg rock is lifted 2 m. Work done?

What is 98 J?

500
How much work is performed in a certain amount of time
What is power
500

The definition of energy.

What is the ability to cause change (do work)

500
A monster truck and a golf cart climb up the same hill. Which does more work
What is the monster truck - because it weighs more!
500
Power = ___________________/ ___________________
What is WORK/ TIME
500

How long does it take to do 278 J of work with 17 W of power?

What is 16.35 s?