3 years ago

Why reaction force must exist

1 answer:

7 0

Newton's 3rd law:
Every action has an equal and opposite reaction.
When you apply force on an object, there is an equal force applied on you from that object.

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Existing rocks can become sedimentary rocks when they are subjected to which conditions?

Svetllana [295]

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3 years ago

A spring is 4 cm long. A student hangs a weight of 2N. It is now 5.5 cm long.

jeka94

(i)1.5cm
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2 years ago

Gold has a density of 19.3 g/cm3. What is the mass of a 5 cm3 block of gold?

Tems11 [23]

Do not forget that mass = volume x density
Mass of 1 cm^3 = Density[/tex]
$mass of 2 cm^3 = 19.3 g + 19.3 g = 2*19.3 g$
Then eventually we can find mass of 5 cm^3 : =
 $19.3 g + 19.3 g+19.3g+19.3g+19.3g= 5*19.3 g$
So the answer is D
And that's it. I'm sure it will help.

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3 years ago