Physics, asked by saivedanshgelly, 10 months ago

when the distance between two bodies is doubled and mass of each body is also doubled then the gravitational force will be
A)doubled
B)remained constant
C)trebled
D)quadrupled


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Answers

Answered by ShivamKashyap08
4

Answer:

  • The gravitational force (F) will Same/Remain constant.

Assumption:

Case-1

  1. Let the mass of one body be " m₁ ".
  2. Let the mass of second body be " m₂ "
  3. Let the Distance be " r₁ "
  4. Let the Force be " F₁ "

Case-2

  1. Let the mass of one body  be " m₃ ".
  2. Let the mass of second body be " m₄ "
  3. Let the Distance be " r₂ "
  4. Let the Force be " F₂ "

Explanation:

\rule{300}{1.5}

Case-1

From the formula we know,

\large \bigstar\; \boxed{\tt F_1=\dfrac{G\;m_1\;m_2}{(r_1)^2}}

\frak{Here}\begin{cases}\sf{m_1}\text{ Denotes Mass of 1st Body}\\ \sf{m_2}\text{ Denotes Mass of 2nd Body}\\\sf{r_1}\text{ Denotes Distance}\end{cases}

Now,

\displaystyle\dashrightarrow\tt F_1 = \dfrac{G\;m_1\;m_2}{(r_1)^2} \quad\dfrac{\quad}{}[1]

\rule{300}{1.5}

\rule{300}{1.5}

Now, the formula becomes,

\large \bigstar\; \boxed{\tt F_2=\dfrac{G\;m_3\;m_4}{(r_2)^2}}

\frak{Here}\begin{cases}\sf{m_3}\text{ Denotes changed Mass of 1st Body}\\ \sf{m_2}\text{ Denotes Changed Mass of 2nd Body}\\\text{$\tt r_2$ Denotes Distance}\end{cases}

Now,

\displaystyle\dashrightarrow\tt F_2 = \dfrac{G\;m_3\;m_4}{(r_2)^2}

Now, we Know, (From the Question)

  • m₃ = 2 m₁
  • m₄ = 2 m₂
  • r₂ = 2 r₁

Substituting in the above equation we get,

\displaystyle\dashrightarrow\tt F_2 = \dfrac{G\times 2\;m_1\times 2\;m_2}{(2\;r_1)^2}\\\\\\\dashrightarrow\tt F_2 = \dfrac{4\; (G\;m_1\;m_2)}{4\; (r_1^{2})}\\\\\\\dashrightarrow\tt F_2 = \dfrac{4}{4}\times \dfrac{G\;m_1\;m_2}{r_1^2}\\\\\\\dashrightarrow\tt F_2 =  \dfrac{G\;m_1\;m_2}{r_1^2}\\\\\\\dag\quad \blue{\tt \dfrac{G\;m_1\;m_2}{r_1^2}= F_1} \;\;[Equation-1] \\\\\\\dashrightarrow\tt F_2 = F_1\\\\\\\dashrightarrow \large {\underline{\boxed{\red{\tt F_2 = F_1}}}}

The gravitational force (F) will Same/Remain constant.

\rule{300}{1.5}

Answered by bharatahlawat4142
0

Answer:

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