A semitruck (m. 20,000 kg) is 10 m from a car (m 2000 kg) What is the force of gravity between them? (0.667 10-11 N•m²/kg)

A. 2.67 104N

B. 1.22 104N

c. 1.22 105N

D. 267. 10-5N

Answer: D

Explanation:

Given information:

Semi truck mass M = 20000kg

Car mass m = 2000 kg

Distance d = 10 m

G = (0.667 10-11 N•m²/kg)

The gravitational force between them can be expressed as

F = GMm/r^2

Substitute all the parameters into the formula

F = (0.667 10-11 * 20000 * 2000) / 10^2

F = 2.668*10^-4/100

F = 2.668 * 10^-6 N

Therefore, the force of gravity between them is 26.7 * 10 ^-5 N approximately