Q.20 Calculate the force as attraction between two metal spheres each as mass 90kg, if the distance
between their centre is 40cm. (G= 6.67* 10 Nm²/kg)
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Answers
Answered by
2
Explanation:
F=Gm1m2/r^2
F=6.67×10 ×90×90/0.4^2
F=66.7×8100/0.16
but u know G=6.67×10^-11
please check that and repost questions
Answered by
4
Explanation:
F = Gm1m2/r²
= 6.67×10^-11 × 90×90/(4×10^-1)²
= 6.67×9×9×10^-9 / 16×10^-2
= 6.67×81× 10^-7 / 16
= 33.77 × 10^-7 N
= 3.38 × 10^-6 N
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