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Exercises Forces and Newton's laws

Quick check from College Physics, 4.2 Newton’s First Law of Motion: Inertia

Newton’s First Law of Motion: Inertia: quick check

Which has more mass: a kilogram of cotton balls or a kilogram of gold?

Answer it in your own words before you look.

Answer
They are equal. A kilogram of one substance is equal in mass to a kilogram of another substance. The quantities that might differ between them are volume and density.

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From College Physics (1st edition) by OpenStax (Rice University), section 4.2, licensed under CC BY 4.0. Original at openstax.org. We split the solution into steps; the words, numbers and figures are the book's. OpenStax doesn't endorse this site.