3 years ago

What is the purpose of a free body diagram?

Physics

1 answer:

leonid [27]3 years ago

8 0

Answer:

i think the answer is c

Explanation:

zrrxtcyvjvugugyctcyvjv

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According to Newton’s first law of motion, when will an object at rest begin to move?

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How are calculation for velocity and speed different

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Newly discovered planet has twice the mass and three times the radius of the earth. What is the free-fall acceleration at its su

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Answer:

$g_n=\dfrac{2}{9}g$

Explanation:

M = Mass of Earth

G = Gravitational constant

R = Radius of Earth

The acceleration due to gravity on Earth is

$g=\dfrac{GM}{R^2}$

On new planet

$g_n=\dfrac{G2M}{(3R)^2}\\\Rightarrow g_n=\dfrac{2GM}{9R^2}$

Dividing the two equations we get

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The acceleration due to gravity on the other planet is $g_n=\dfrac{2}{9}g$

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3 years ago

Read 2 more answers