What is the formula for calculating work?
Concept 4: Work and Power Calculations Test

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•
Physics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
W = F * d, where W is work, F is force, and d is distance.
2.
FLASHCARD QUESTION
Front
What is the unit of work in the International System of Units (SI)?
Back
The unit of work is the Joule (J).
3.
FLASHCARD QUESTION
Front
How do you calculate power?
Back
P = W / t, where P is power, W is work, and t is time.
4.
FLASHCARD QUESTION
Front
What is the unit of power in the International System of Units (SI)?
Back
The unit of power is the Watt (W).
5.
FLASHCARD QUESTION
Front
If a force of 10 N is applied over a distance of 5 m, how much work is done?
Back
W = F * d = 10 N * 5 m = 50 J.
6.
FLASHCARD QUESTION
Front
If 200 J of work is done in 10 seconds, what is the power?
Back
P = W / t = 200 J / 10 s = 20 W.
7.
FLASHCARD QUESTION
Front
What does it mean if work is done against gravity?
Back
It means that the force applied must overcome the gravitational force acting on the object.
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