Who invented the mercury barometer and what is it used to measure?

Physics

2 answers:

Aleksandr [31]3 years ago

8 0

<span> its a instrument for measuring atmospheric pressure that was invented by </span>Evangelista Torricelli

Whitepunk [10]3 years ago

6 0

Answer:

The barometers are instruments used to measure the atmospheric pressure in a given space. Particularly, the mercury barometer uses a mechanism that depends on the expansion of the mercury to measure the atmospheric pressure.

The mercury barometer was invented around the year 1643, by the physicist Evangelista Torricelli

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4 (JAMB) The diagram below shows a light see-saw, which is balanced horizontally by the weights W₁, W2, W3, W4 in the positions

damaskus [11]

The equation that represents the principle of the lever balance is:

W₁ + W₂ = W3 + W4; option A.

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The principle of moments states when a body is in equilibrium, the sum of the clockwise moment about a point equals the sum of anticlockwise moment about that point.

A see-saw represents a balanced system of moments.

The sum of clockwise moment = The sum of anticlockwise moments.

Assuming W1 and W2 are clockwise moments and W3 and W4 are anticlockwise moments.

The equation will b: W₁ + W₂ = W3 + W4

In conclusion, a balanced see-saw illustrates the principle of the lever balance.

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sveticcg [70]

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