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Questions and Answers
What is a simple machine?
What is a simple machine?
- A mechanical device that changes the direction or magnitude of a force (correct)
- A machine with numerous moving parts to multiply force
- A device that uses electricity to multiply force
- A device with complex mechanisms to modify motion and force
How does an inclined plane make it easier to lift objects?
How does an inclined plane make it easier to lift objects?
- By requiring a smaller force exerted over a long distance (correct)
- By requiring a larger force exerted over a long distance
- By requiring a smaller force exerted over a short distance
- By requiring a larger force exerted over a short distance
What is an example of an inclined plane in everyday life?
What is an example of an inclined plane in everyday life?
- Escalators
- Elevators
- Sidewalk ramps (correct)
- Revolving doors
What do levers, pulleys, ramps, screws, and wheel and axle systems offer?
What do levers, pulleys, ramps, screws, and wheel and axle systems offer?
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How are inclined planes used to raise heavy bodies?
How are inclined planes used to raise heavy bodies?
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