Question

If two point masses 1 kg and 4 kg are separated by a distance of 2m. Magnitude of gravitational force exerted by 1 kg on 4 kg is

Answer 1

F= G m1m2/r^2

F=6.6×10^-¹¹×1×4/2×2

F=6.6×10^–¹¹N

Hope this help you

Answer 2

The magnitude of gravitational force exerted by 1 kg on 4 kg is $6.67\times 10^{-11}\ N$.

Explanation:

Given that,

Mass of object 1, $m_1=1\ kg$

Mass of object 2, $m_2=4\ kg$

Distance between two masses, r = 2 m

To find,

The magnitude of gravitational force exerted by 1 kg on 4 kg.

Solution,

The gravitational force between two masses is given by :

$F=G\dfrac{m_1m_2}{r^2}$

$F=6.67\times 10^{-11}\times \dfrac{1\times 4}{(2)^2}$

$F=6.67\times 10^{-11}\ N$

So, the magnitude of gravitational force exerted by 1 kg on 4 kg is $6.67\times 10^{-11}\ N$.

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Gravitational force

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