Power
Interactive Video
•
Science, Engineering, Physics
•
6th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the power required if the same amount of work is done in a shorter time?
The power required decreases.
The power required becomes zero.
The power required remains the same.
The power required increases.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you push a weight up a slope more quickly, what changes in terms of power and energy?
More energy is required, but power remains the same.
More power is required, but energy remains the same.
Both power and energy required increase.
Both power and energy required decrease.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which units is power measured in the SI system?
Joules
Newtons
Watts
Volts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent of one watt in terms of energy per time?
One newton per second
One joule per second
One volt per second
One joule per minute
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about power and energy?
Power is the rate at which energy is used.
Power is measured in joules.
Power and energy are the same.
Energy is the rate at which power is used.
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