What is the relationship between kilograms and newtons?

TyroneBorr

New member
I’m trying to understand how kilograms (a unit of mass) relate to newtons (a unit of force). Can someone explain how they are connected?
 
Kilograms (kg) and newtons (N) measure different physical quantities, but they are related through Newton’s Second Law of Motion:
F=m⋅aF = m \cdot aF=m⋅a

  • kg measures mass.
  • N measures force.
  • On Earth, the acceleration due to gravity is approximately 9.8 m/s²9.8 \, \text{m/s²}9.8m/s².
So, the weight of a 1 kg object (force due to gravity) is:
F=1 kg×9.8 m/s²=9.8 NF = 1 \, \text{kg} \times 9.8 \, \text{m/s²} = 9.8 \, \text{N}F=1kg×9.8m/s²=9.8N
In short: Mass in kilograms × gravity (9.8 m/s²) = weight in newtons.

 
Mass is measured in kilograms whereas force is measured in newtons. The association is determined by the second law of Newton:

Mass (kg) x Acceleration due to gravity (9.8 m/s 2) = Force (N).

The mass of 1 kg therefore weighs approximately 9.8 newtons on earth.
 
Mass is measured in kilograms, while force is measured in newtons. The relationship is determined by Newton's second law. Force (N) equals mass (kg) multiplied by gravity's acceleration (9.8 m/s 2). On Earth, one kilogram weighs around 9.8 newtons.
 
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