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Reika [66]
2 years ago
5

How do simple machines make work easier?

Physics
2 answers:
miss Akunina [59]2 years ago
8 0
It is A: They add energy to the work

Mrrafil [7]2 years ago
3 0

Answer:  D.  They increase the distance over which a force is applied.

Explanation:

Simple machines are basic mechanical devices which make our work easier like lever, pulley, wheel and axle, inclined plane, wedge and screw. The magnitude of the force or direction is altered using a simple machine. They increase the distance over which a force is applied. They use mechanical advantage to increase the magnitude of the force.

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All substances have characteristic physical and chemical properties. Physical properties are those that can be observed with the senses without changing the identity of the substance. Chemical properties describe how a substance can be changed into a new substance. Physical and chemical properties, such as color, density, boiling point, solubility, conductivity, and flammability, A. are always different between substances. B. depend on the amount of the substance. C. do not depend on the amount of the substance. D. have the same values for all substances.

Ask for details Follow Report by S27754738 2 hours ago

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3 years ago
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A hammer strikes one end of a thick iron rail of length 5.60 m. A microphone located at the opposite end of the rail detects two
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A) The wave that travels through the rail reaches the microphone first.

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Explanation:

Detailed explanation and calculation is shown in the image below

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Any Answer Would Be Appreciated
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last one.Condution and convection are equzlly efficentmethods of heat transfer.

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2 years ago
How can you verify the archimedes principle?​
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Your mass in kilograms if you weight 170 pounds
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1 pound ≈ 0.4536 kg

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