What is Work?
Work and Power

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Physics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Work is defined as the product of the force applied to an object and the distance the object moves in the direction of the force. It is calculated using the formula: Work (W) = Force (F) × Distance (d) × cos(θ), where θ is the angle between the force and the direction of motion.
2.
FLASHCARD QUESTION
Front
What is Power?
Back
Power is the rate at which work is done or energy is transferred over time. It is calculated using the formula: Power (P) = Work (W) / Time (t). The unit of power is the Watt (W), where 1 Watt = 1 Joule/second.
3.
FLASHCARD QUESTION
Front
How do you calculate work done at an angle?
Back
To calculate work done when a force is applied at an angle, use the formula: Work (W) = Force (F) × Distance (d) × cos(θ), where θ is the angle between the force and the direction of motion.
4.
FLASHCARD QUESTION
Front
What is the unit of Work?
Back
The unit of work is the Joule (J). One Joule is defined as the work done when a force of one Newton displaces an object by one meter in the direction of the force.
5.
FLASHCARD QUESTION
Front
What is the relationship between Work and Energy?
Back
Work is a transfer of energy. When work is done on an object, energy is transferred to that object, resulting in a change in its energy state.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating power?
Back
Power (P) = Work (W) / Time (t). This formula shows how much work is done in a given amount of time.
7.
FLASHCARD QUESTION
Front
What is the significance of the angle in work calculations?
Back
The angle affects the amount of work done. If the angle is 0 degrees, all the force contributes to the work done. If the angle is 90 degrees, no work is done because the force is perpendicular to the direction of motion.
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