What is work in physics?
Work and Energy

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Physics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Work is defined as the product of force and displacement in the direction of the force. It is calculated using the formula: Work = Force × Displacement.
2.
FLASHCARD QUESTION
Front
What is the unit of work?
Back
The unit of work is the Joule (J), which is equivalent to one Newton meter (N·m).
3.
FLASHCARD QUESTION
Front
What is energy?
Back
Energy is the ability to do work. It exists in various forms, including kinetic energy, potential energy, thermal energy, and more.
4.
FLASHCARD QUESTION
Front
What is the relationship between work and energy?
Back
Work done on an object results in a change in its energy. If work is done on an object, its energy increases; if work is done by the object, its energy decreases.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating work?
Back
The formula for calculating work is: Work = Force × Distance × cos(θ), where θ is the angle between the force and the direction of motion.
6.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy of an object due to its motion, calculated using the formula: KE = 1/2 mv², where m is mass and v is velocity.
7.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or configuration, commonly calculated as: PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.
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