Find the force of gravity between two physics students that have masses of 74.0 kg and 82.5 if they are sitting 0.95 m apart

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Lea Cunningham

Physics

4 June, 11:51

Find the force of gravity between two physics students that have masses of 74.0 kg and 82.5 if they are sitting 0.95 m apart

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Aydan Johnson · Answer 1

The force of gravity is calculated by F = G * (m1*m2) / r^2. Here m1 = 74 kg, m2 = 82.5 kg and r = 0.95 m (and G is 6.674Ă-10â’11 m3â‹ ... kgâ’1â‹ ... sâ’2). Plug in and calculate: F = 6.674e-11 * (74*82.5) / (0.95^2) ~ 4.52 e-7 N = 45 ÂµN Answer: the force is 45 ÂµNewtons.