Simple Machines
Flashcard
•
Physics, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a machine?
Back
A device that changes force by reducing it over a larger distance.
2.
FLASHCARD QUESTION
Front
What is a wedge?
Back
One or two inclined planes that move when used, thick at one end and thin at the other.
3.
FLASHCARD QUESTION
Front
What is a pulley?
Back
A rope, chain, or belt wrapped around a wheel that changes the direction of an applied force.
4.
FLASHCARD QUESTION
Front
What is the mechanical advantage (MA) of a lever if the output force is 10,000 N and the input force is 1,000 N?
Back
10
5.
FLASHCARD QUESTION
Front
What is a wheel and axle?
Back
A wheel attached to a shaft; an example is a doorknob.
6.
FLASHCARD QUESTION
Front
What is the purpose of simple machines?
Back
To make work easier by changing the direction or magnitude of a force.
7.
FLASHCARD QUESTION
Front
What is an inclined plane?
Back
A flat surface that is tilted at an angle to help lift objects.
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