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21 questions
Work equals force times
matter
weight
power
distance
Work is measured in units called
Joules
Power
Force
Newtons
What is needed to calculate work?
force
distance
time
mass
Poe Tential and Ken Ettic are both moving boxes. Poe uses a force to push his box 10 m. Ken uses the exact same force to push his box 20 m. Who did more work?
Poe
Ken
They did the same amount of work
Nobody did any work
Poe and Ken are at it again! This time Poe pushes his box with a force of 50 N. Ken pushes his box the exact same distance, but he only uses 20 N of force. Who did more work?
Poe
Ken
They did the same amount of work
Nobody did any work
What is the ability to do work
Power
Energy
Force
Momentum
When I say Kinetic you think
waves
power
motion
apples
Which has MORE kinetic energy? A 2 kg ball moving at 2 m/s or a 1 kg ball moving at 4 m/s?
The 2 kg ball
The 1 kg ball
They have the same KE
There is no way of knowing
Another term for stored energy is
Kinetic energy
Power
Heat energy
Potential energy
A diver on top of a board has ____________energy
Kinetic
Wave
Sound
Potential
What is the Total Mechanical Energy at point A?
500,000 J
400,000 J
200,000 J
50,000 J
What is the Kinetic Energy at point B?
500,000 J
400,000 J
300,000 J
50,000 J
What is the Kinetic Energy at point D?
500,000 J
250,000 J
300,000 J
50,000 J
What is the PE at point E?
500,000 J
250,000 J
300,000 J
100,000 J
What is the PE at point F?
500,000 J
250,000 J
300,000 J
0 J
Gary does 200 J of work in 10 seconds. How much power did he use?
200 W
20 W
100 W
2000 W
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