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5 July, 09:13

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

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Answers (1)
  1. 5 July, 09:27
    0
    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
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