Work and Power
Flashcard
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for calculating work?
Back
Work (W) = Force (F) × Distance (d) in the direction of the force.
2.
FLASHCARD QUESTION
Front
What are the units for work?
Back
The unit for work is Joules (J).
3.
FLASHCARD QUESTION
Front
How is power defined in physics?
Back
Power is the rate at which work is done or energy is transformed.
4.
FLASHCARD QUESTION
Front
What is the formula for calculating power?
Back
Power (P) = Work (W) / Time (t).
5.
FLASHCARD QUESTION
Front
If a force of 50 N moves an object 10 m, how much work is done?
Back
Work = 50 N × 10 m = 500 J.
6.
FLASHCARD QUESTION
Front
What happens to the work done if the distance is doubled while the force remains constant?
Back
The work done is also doubled.
7.
FLASHCARD QUESTION
Front
Can work be done if an object does not move?
Back
No, if there is no movement, no work is done.
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