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25 April, 11:38

A dog has a mass of 12 kg. What is its weight? Round your answer to the nearest whole number.

The dog weighs_ N.

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Answers (2)
  1. 25 April, 11:53
    0
    w = mg

    m = 12kg, g = 9.8m/s2

    w = 12kg*9.8m/s2

    w = 117.6N ~ = 118N
  2. 25 April, 12:04
    0
    The weight of a dog is 120N.

    Explanation:

    Converting kg to N, you have to multiply it by 10:

    1 kg = 10 N

    12 kg = 12 * 10 N

    = 120N

    Or you could use the formula of force, F = m*g where g is the gravity of Earth. You can use this formula because both Weight and Force have the same symbol, Newton:

    m = 12 kg

    g = 10 m/s²

    F = 12 * 10

    = 120 N
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