FA-
FB
From the illustration above, if the object is not moving, we can conclude that:
OA. Forces FA and FB are equal and opposite
OB. Force FA is less than force FB.
OC. Force FA is greater than force FB.
OD.
Forces FA and FB are equal and in the same direction.
Its a scientific question

the answer for your question is A. Forces FA and FB are equal and opposite.

Explanation:

i just answered this on study island and it was correct :)

Forces FA and FB are equal and opposite.

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number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

i have no clue hope you find the answer