If I'm doing a project for school about a simple machines and I got a wheel and axle, how does the thing work ?!?!?

Answers

Answer 1

Answer: The wheel and axle is a simple machine consisting of a circular object called a wheel and a shaft known as an axle, which is attached to the wheel. All simple machines change the amount of effort needed to work and are the basis for all other machines, according to Mediahex. Two examples of a wheel and axle are a doorknob and a round water facet. In a doorknob, a larger handle turns a much smaller axle to move the door latch. In addition, a faucet has a larger handle that turns a much smaller axle to open a water valve. Another example of a wheel and axle is a car steering wheel, where the driver exerts a force on the outer edge of the wheel to cause the front wheels to turn..

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What is the principle called of the conservation of matter?

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The rule that matter is not created or destroyed in a reaction is called the law of conservation of mass.

How does your body respond differently the second time it is exposed to a pathogen than the first time it was exposed to the same pathogen?

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after your first exposure to a pathogen, you have memory T cells that will remember the antigen of the pathogen son in the future if you would come in contact with the same pathogen your body will recognize it right away and be able to kill it much faster

I need helppp(science)

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Answer:

Flat plains because when the magma flies out the spews out the volcano it will sinks to the ocean floor it rise and then once more eruptions come the magma will form with land that was previously there.

Explanation:

What effect does an atibiotic have on an infection like strep throat ?

Answers

Keeps infection from spreading

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What is an important step to determine the number of grams of SO3 that can be produced by reacting 6 moles of SO2 with oxygen in the synthesis reaction below. 2 SO2(g) + O2(g) —>2 SO3(g)

Answers

Answer:

480.40 g.

Explanation:

According to the balanced equation:

2 SO₂(g) + O₂(g) → 2 SO₃(g),

it is clear that 2.0 moles of SO₂ react with 1.0 mole of oxygen to produce 2.0 moles of SO₃.

We can get the no. of moles of SO₃ produced:

∵ 2.0 moles of SO₂ produce → 2.0 moles of SO₃, from the stichiometry.

∴ 6.0 moles of SO₂ produce → 6.0 moles of SO₃.

Then, we can get the mass of the produced 6.0 moles of SO₃ using the relation:

mass = no. of moles x molar mass of SO₃ = (6.0 moles)(80.066 g/mol) = 480.396 g ≅ 480.40 g.

Which atomic number corresponds to the element which is most stable?1
3
8
16
36

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Answer:

Explanation:

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Answer:

Explanation:

This is a simple answer, but I assure you that it is 100% correct.

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A solution labeled "0.105 M NaOH" would contain ______________ moles of NaOH in each liter of solution.

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