Math

QuestionCalculate the new gravitational force when two objects, initially 1000 N apart at distance D, are separated by D/4.

Studdy Solution

STEP 1

Assumptions1. The initial force between the two objects is1000 N. The initial distance between the two objects is D3. The force of gravity between two objects is calculated using the equation =Gm1mr=G \frac{m_{1} m_{}}{r^{}}
4. The force is inversely proportional to the square of the distance between the two objects5. The masses of the objects and the gravitational constant do not change

STEP 2

First, let's write down the initial condition using the formula for gravitational force.
1=Gm1m22_{1} = G \frac{m_{1} m_{2}}{^{2}}

STEP 3

We know that the initial force 1_{1} is1000 N. Let's substitute this value into the equation.
1000=Gm1m221000 = G \frac{m_{1} m_{2}}{^{2}}

STEP 4

Now, let's write down the equation for the new force when the distance between the objects is /4 /4.
2=Gm1m2(/4)2_{2} = G \frac{m_{1} m_{2}}{( /4)^{2}}

STEP 5

implify the denominator in the equation for 2_{2}.
2=Gm1m22/16_{2} = G \frac{m_{1} m_{2}}{^{2} /16}

STEP 6

Rearrange the equation for 2_{2} to make it clearer.
2=16Gm1m22_{2} =16 \cdot G \frac{m_{1} m_{2}}{^{2}}

STEP 7

We know that Gm1m22G \frac{m_{1} m_{2}}{^{2}} is equal to1000 N from our initial condition. Let's substitute this into the equation for 2_{2}.
2=161000_{2} =16 \cdot1000

STEP 8

Calculate the new force 2_{2}.
2=161000=16000N_{2} =16 \cdot1000 =16000 \, NThe force between the two objects when they are separated by a distance of /4 /4 is16000 N.

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