2023-24 Physical Science TEST Chapters 14A, B

Stored energy that can be used later

• Energy

• Gravitational Potential Energy

• Potential Energy

• Mechanical Energy

• Elastic Potential Energy

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The ability to do work

• Energy

• Gravitational Potential Energy

• Potential Energy

• Mechanical Energy

• Elastic Potential Energy

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1. Energy an object possesses because of its position in a gravitational field

• Energy

• Gravitational Potential Energy

• Potential Energy

• Mechanical Energy

• Elastic Potential Energy

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1. The sum of any kinetic energy and all forms of potential energy in a system

• Energy

• Gravitational Potential Energy

• Potential Energy

• Mechanical Energy

• Elastic Potential Energy

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1. A conditional form of Potential Energy which stores energy when it is stretched or compressed e.g., spring, rubber band

• Energy

• Gravitational Potential Energy

• Potential Energy

• Mechanical Energy

• Elastic Potential Energy

1. The energy objects possess as a result of their motion is known as ______________ energy.

• Total

• Rotational

• Gravitational

• Kinetic

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During energy transformations, the total amount of energy within a closed system remains the same.

• True

• False

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As a rocket falls after reaching its apex, its kinetic energy is immediately transformed back into gravitational potential energy.

• True

• False

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1. Which of the following is NOT true regarding energy transformations to generate useful electrical energy and transmit it to users?

• 1. Chemical potential energy in fuel is transformed into heat energy

• 1. Heat energy is transformed into kinetic energy as the speed of water molecules inside boiler pipes is increased

• Electrical energy of the turning turbine shaft is transformed into kinetic energy by a generator

• 1. As electrical energy travels through transmission lines, some is transformed into heat and sound

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What is the formula for determining Kinetic Energy?  DESCRIBE ALL THE COMPONENTS OF THE FORMULA.

(you may use a separate piece of paper if it's easier than typing out the formula)

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