How to Convert From Newtons to Slugs

A newton is the SI unit (modern metric system of units) of force, defined as the amount of net force required to accelerate a mass of one kilogram at a rate of one meter per second squared. A slug is a unit of mass, defined as mass that accelerates by one foot per second squared when a force of one pound is exerted on it. One cannot convert directly between these two quantities, because one represents force and one represents mass. However, the two quantities can be compared using the equation force = mass x acceleration, or f = ma. You can convert between units of force using the equalition one pound of force = 4.44822162 newtons.

Instructions

  1. Example

    • 1

      Calculate how many newtons are required to accelerate three slugs at a rate of one foot per second squared. The conversion is as follows:

      ? newtons = (4.448222162 newtons/1 pound force) x (1 pound force/1 foot per second squared) x (1 foot per second squared/ 1 slug) x (3 slugs).

    • 2

      Simplify the equation:

      ? newtons = (4.448222162 newtons/1) x (1 / 1) x (3)

      Answer = 13. 344666486 newtons

    • 3

      Calculate how many slugs will be accelerated one foot per second squared with five newtons of force:

      ? slugs= (1 slug/1 foot per second squared) x (1 foot per second squared/1 pound force) x (1 pound force/ 4.448222162 newtons) x (5 newtons).

    • 4

      Simplify the equation:

      ? slugs = (1 slug/1) x (1/1) x (1/4.448222162) x (5)

      Answer = 1.1240445773 slugs

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