Two spherical balls of mass $10 k g$ each are placed with their centres $10 c m$ apart. Find the gravitational force of attraction between them.

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Solution

Given:
$M_{1} = M_{2} = 10 k g$
$r = 10 c m = 0.1 m = 10^{- 1} m$
$∴$ Gravitational force of attraction : -
$F = \frac{G M_{1} M_{2}}{r^{2}} = \frac{6.67 \times 10^{- 11} \times 10 \times 10}{10^{- 1} \times 10^{- 1}} = 6.67 \times 10^{- 7} N$

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Two spherical balls of mass 10 kg each are placed with their centres 10 cm apart. Find the gravitational force of attraction between them.

Given:M1=M2=10kgr=10cm=0.1m=10−1 m∴ Gravitational force of attraction : -F=GM1M2r2=6.67×10−11×10×1010−1×10−1=6.67×10−7N

Two spherical balls of mass $10 k g$ each are placed with their centres $10 c m$ apart. Find the gravitational force of attraction between them.

Given:
$M_{1} = M_{2} = 10 k g$
$r = 10 c m = 0.1 m = 10^{- 1} m$
$∴$ Gravitational force of attraction : -
$F = \frac{G M_{1} M_{2}}{r^{2}} = \frac{6.67 \times 10^{- 11} \times 10 \times 10}{10^{- 1} \times 10^{- 1}} = 6.67 \times 10^{- 7} N$