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Vocabulary
Energy
Work
Power
General review
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
The unit of mass
What is kilogram?
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
A brick has a mass of 3kg on earth. How would it's mass compare if it were on the moon? (greater than, equal to, less than?
What is equal to?
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
Nellie Newton pushes with three times the force for twice the distance, she does ____ times the work.
What is 6 times?
400
What is the name for KE+PE
What is total mechanical energy?
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 child moving at constant velocity carries a 10 N box 5 m across a level horizontal surface. What is the net work done on the ice-cream cone? .
What is zero?
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 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
What is the weight of a 10N sandwich?
What is 10N?