Practice Mechanical Energy (1.2.4) - Introduction

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8 questions

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Exercise
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6 sample questions

Question 1.
Define mechanical energy.
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Think about energy related to motion and position.
Question 2.
What type of energy does a moving object possess?
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Consider the energy of things that are in motion.
3Question 3.
What is mechanical energy?
- A type of energy based on composition
- The sum of kinetic and potential energy
- Energy related only to motion
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Think about objects that are moving and those that are at rest.
4Question 4.
True or False: Kinetic energy is stored energy.
- True
- False
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Review the definitions of these two types of energy.
Question 5.
If a roller coaster car at the top of a hill has potential energy of 4000 J, what will be its kinetic energy at the bottom of the hill, ignoring friction?
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Think about conservation of energy in closed systems.
Question 6.
Describe how mechanical energy can be harnessed in a hydropower plant and explain the energy transformation process.
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Consider how water movement can relate to energy generation.

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