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Physics

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Leone Cormier

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Cards in this guide (11)
Which compound machine consists of both fixed and movable pulleys

block and tackle

When is mechanical advantage increased by a first class lever

when the fulcrum is close to the load

What type of personal protective equipment used in the lab protects the eyes

Safety glasses or goggles protect the eyes in a laboratory. Sometimes a face shield is used on top of those.
Goggles
Safety goggles and safety spectacles.

What is one example of a lever is it a wedge or a wheelbarrow

A wheelbarrow is an example of a class 2 lever as well as a wheel and axle. A wedge is an example of an inclined plane.

How does an inclined plane reduce the amount of input force needed

by increasing distance over which the force is applied

Which of these is an example of a wheel and axle

a doorknob

Why do you use digital signals

to decide true or false

Which factor must increase to give a machine a mechanical advantage greater than 1

output force (:

What kind of testing can the Bunsen burner be used for

An example is the flame test, a method of qualitative analysis.

Which term defines something that does not transfer thermal energy efficiently

conductor

Which of these would you expect to make a good insulator

a poor thermal conductor

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