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Energy Quiz review
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Energy made in the form of motion
Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy
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States that when one form of energy is converted into another, no energy is lost in the process
Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy
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Total amount of PE and KE in a system
Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy
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Transferred to an object when work is done
Law of Conservation Gravitational Potential Energy Energy Mechanical Energy
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Energy related to an object’s height
Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy
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If the kinetic energy of a falling apple is 5
If the kinetic energy of a falling apple is 5.2J and its potential energy is 3.5J what is the mechanical energy? Answer: 8.7J ( )
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A bow and arrow when stretched and ready to be released has this type of energy.
Answer: elastic potential
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A solar panel uses light from the sun to produce this type of energy
Answer: electrical energy
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Write the energy transformation for the description an electric toaster _________ __________
Answer: electrical thermal
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Write the energy transformation for the description battery powers a light bulb ______ ______ _______ Answer: chemical electrical light
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What is the kinetic energy of 1,350 kg car that is traveling at 12 m/s?
Given: m = 1350 kg v = 12 m/s Find: KE Formula: KE = 1 2 𝑚𝑣 2 KE= 97,200 J
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For a science experiment, a student climbs to different heights on a ladder and drops different items to the floor. The information for each trial is listed in the chart below. Item Mass Height Field hockey ball 20 kg 8 m Baseball 15 kg 14 m Golf ball 2 kg 10 m Which item has the most Gravitational Potential Energy? How do you know? Baseball = greatest height
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