Quizizz Forces & Energy

Any time an energy conversion takes place, some of the original energy is converted to which one of the following?

• a. sound energy
• b. potential energy
• c. light energy
• d. thermal energy

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After an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. Which of the following laws explains this rule?

• a. law of energy changes
• b. law of conservation of energy
• c. law of power and energy
• d. law of potential energy

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Where is the potential energy the greatest?

• A
• B
• C
• D

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A student is holding the end of a pendulum. The student releases the pendulum. What energy transfers are taking place?

• potential energy is transferred to kinetic energy

• chemical energy to thermal energy

• mechanical energy to chemical energy

• kinetic energy is tranferred to potential energy

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What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

At what point does the biker have the greatest Kinetic Energy?

• Point A

• Point B

• Point C

• Point D

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Which object has the greatest Gravitational Potential Energy?

• The object with a mass of 3kg because its mass is less.

• The object with a mass of 50kg because its mass is greater.

• Both objects because they are at the same height.

• Neither of the objects because they are at the same height.

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The principle of energy conservation states:

• Energy can be created but not destroyed

• Energy cannot be created, nor destroyed.

• Energy can be destroyed but not created

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What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

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If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• box of 20 textbooks

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