Work / Energy/Power ALA

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What is Work in physics?

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Work is defined as the product of force and the distance over which it acts in the direction of the force. It is measured in joules (J).

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What is Energy?

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Energy is the capacity to do work. It exists in various forms, including kinetic, potential, thermal, and chemical energy.

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What is Power in physics?

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Power is the rate at which work is done or energy is transferred. It is measured in watts (W), where 1 watt equals 1 joule per second.

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What is Kinetic Energy?

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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.

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What is Potential Energy?

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Potential energy is the stored energy of an object due to its position or state. Common types include gravitational potential energy and elastic potential energy.

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What is Gravitational Potential Energy?

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Gravitational potential energy is the energy an object possesses because of its height above the ground, calculated using the formula PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

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What is the Law of Conservation of Energy?

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The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.

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What is an example of energy conversion?

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An example of energy conversion is a roller coaster at the top of a hill (potential energy) converting to kinetic energy as it descends.

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What is Thermal Energy?

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Thermal energy is the total kinetic energy of particles in a substance, related to its temperature.

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What is Chemical Energy?

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Chemical energy is the energy stored in the bonds of chemical compounds, like food or fuel, which can be released during a chemical reaction.