Kinetic and Potential Energy

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What is potential energy?

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Potential energy is the energy stored in an object due to its position or state. For example, a box at a height has potential energy because of its position above the ground.

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NGSS.MS-PS3-2

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What is kinetic energy?

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Kinetic energy is the energy an object possesses due to its motion. The faster an object moves, the more kinetic energy it has.

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What factors affect kinetic energy?

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Kinetic energy is affected by two main factors: mass and speed. The formula for kinetic energy is KE = 1/2 mv², where m is mass and v is speed.

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NGSS.MS-PS3-1

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How does height affect potential energy?

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The potential energy of an object increases as its height increases. This is because potential energy is directly related to the height of the object above a reference point.

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What happens to potential energy when an object falls?

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As an object falls, its potential energy decreases while its kinetic energy increases, assuming no energy is lost to air resistance.

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What is the relationship between kinetic and potential energy?

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Kinetic and potential energy are forms of mechanical energy. They can convert into each other; for example, potential energy converts to kinetic energy when an object falls.

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NGSS.MS-PS3-2

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What is the formula for calculating kinetic energy?

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The formula for kinetic energy (KE) is KE = 1/2 mv², where m is the mass of the object and v is its velocity.

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What is the formula for calculating potential energy?

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The formula for gravitational potential energy (PE) is PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

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NGSS.MS-PS3-2

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How does speed affect kinetic energy?

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The faster an object moves, the more kinetic energy it has. Kinetic energy increases with the square of the speed.

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NGSS.MS-PS3-1

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What is gravitational potential energy?

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Gravitational potential energy is the potential energy an object has due to its height above the ground, influenced by gravity.

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NGSS.MS-PS3-2