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Questions and Answers
What is a motor?
What is a motor?
- A device that stores electrical energy
- A device that converts mechanical energy into electrical energy
- A device that generates heat energy
- A device that converts electrical energy into mechanical energy (correct)
What is the primary function of a motor?
What is the primary function of a motor?
- To generate electricity
- To produce mechanical motion (correct)
- To store energy
- To produce heat
Which energy conversion best describes the function of a motor?
Which energy conversion best describes the function of a motor?
- Nuclear energy to heat energy
- Chemical energy to electrical energy
- Electrical energy to mechanical energy (correct)
- Mechanical energy to electrical energy
What is the primary focus of biology?
What is the primary focus of biology?
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Which of the following is an example of a multicellular organism?
Which of the following is an example of a multicellular organism?
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What is the basic unit of life?
What is the basic unit of life?
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Study Notes
Motor and Energy Conversion
- A motor is a device that converts electrical energy into mechanical energy.
- The primary function of a motor is to convert electrical energy into mechanical energy.
- The energy conversion that best describes the function of a motor is electromechanical energy conversion.
Biology and Organisms
- The primary focus of biology is the study of living organisms.
- A multicellular organism is an organism composed of multiple cells, such as animals, plants, and fungi.
- The basic unit of life is a cell, which is the smallest structural and functional unit of living organisms.
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