What makes humans humans I mean like what do they do that makes us humans?

2 answers:

7 0

I'm not sure if I am answering this right but all humans are made up of atoms and molecules. We are humans because we show all eight characteristics of life. I forget most of them, but that is why we are humans.

1.) Reproduce
2.) Respond to stimulize
3.) Exchange gases

I don't remember the rest.

sveticcg [70]3 years ago

4 0

Humans, unlike most animals (except the gorilla, monkey, etc.) have opposable thumbs. A lot of animals don't have that characteristic. Since, humans have five fingers, they can do a lot of things like holding and building stuff. That's how we naturally survive. It is what makes us different from most animals. Also, humans walk on two legs and don't really have any natural feature that could protect them from harm ( like claws, sharp teeth, venom).

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Answer:

The magnitude of the force F is given by

F = ( $M_{a}$ + $M_{b}$ + $M_{c}$ ) *( $M_{b}$ *g/( $\sqrt{M_{a} ^{2}-M_{b} ^{2}}$ ))

Explanation:

Given there are three blocks of masses $M_{a}$ , $M_{b}$ and $M_{c}$ (ref image in attachment)

When all three masses move together at an acceleration a, the force F is given by

F = ( $M_{a}$ + $M_{b}$ + $M_{c}$ ) *a ................(equation 1)

Also it is given that $M_{a}$ does not move with respect to $M_{c}$ , which gives tension T is exerted on pulley by $M_{a}$ only, Hence tension T is

T = $M_{a}$ *a ..........(equation 2)

There is also also tension exerted by $M_{b}$ . There are two components here: horizontal due to acceleration a and vertical component due to gravity g. Thus tension is given by

T = $M_{b}$ $\sqrt{a^{2} +g^{2} }$ ................(equation 3)