Lesson3 Work and Energy

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5 Terms

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What is work?

Work is done when a force moves an object in the direction of the force.

Formula: Work = Force Ă— Distance.

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What is energy?

Energy is the ability to do work.

It exists as kinetic energy (motion) and potential energy (stored energy).

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How many type of energy?

Energy have 2 type

  • Kinetic Energy (KE): Energy of motion (KE = ½mv²).

  • Potential Energy (PE): Stored energy (gravitational, elastic, chemical).

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What is the Law of Conservation of Energy?

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transferred or transformed.

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