calculate the gravitational for between a 10 kg ball and a 20 kg ball placed at a separation of 5m.
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Answer:
5.336 * 10^-10 N
Step-by-step explanation:
Denote mass of ball1 by M1 = 10kg
Denote mass of ball2 by M2 = 20kg
Distance between the balls = 5m
From the law of gravitation,
F = GM1M2/(R^2) where R is the distance between the two objects, in this case R = 5
F = G * 200/25 = 6.67 * 10^-11 *200/25 = 53.36 * 10^-11 N
= 5.336 * 10^-10 N
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