What is a lever?
Machines (Energy + Work)

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•
Physics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum. It is used to lift or move loads with less effort.
2.
FLASHCARD QUESTION
Front
What is mechanical advantage?
Back
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device, or machine system. It allows a smaller input force to lift a larger load.
3.
FLASHCARD QUESTION
Front
What type of simple machine is a see-saw?
Back
A see-saw is an example of a lever.
4.
FLASHCARD QUESTION
Front
What is an inclined plane?
Back
An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects with less effort.
5.
FLASHCARD QUESTION
Front
What is the purpose of a pulley?
Back
A pulley is a simple machine that uses a wheel and a rope to lift or lower objects, reducing the amount of force needed to lift a load.
6.
FLASHCARD QUESTION
Front
What is a wedge?
Back
A wedge is a simple machine that consists of two inclined planes joined together, used to split, cut, or lift objects.
7.
FLASHCARD QUESTION
Front
What is a screw?
Back
A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder, used to hold objects together or lift materials.
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