Is 1 kg Really Equal to 9.8N on Earth's Surface?

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SUMMARY

The discussion clarifies that 1 kilogram (kg) is equivalent to approximately 9.8 Newtons (N) when measuring weight on Earth's surface. This relationship is established through the equation of weight, where weight is the force exerted by gravity on an object. It is emphasized that stating "the weight of 1 kg on the surface of the Earth is about 9.8N" is the most accurate representation of this concept. Misunderstandings regarding the distinction between mass and weight are also noted.

PREREQUISITES
  • Understanding of basic physics concepts, specifically mass and weight.
  • Familiarity with the metric system and units of measurement.
  • Knowledge of gravitational force and its effects on objects.
  • Basic mathematical skills for interpreting equations related to force.
NEXT STEPS
  • Research the relationship between mass and weight in different gravitational fields.
  • Explore the concept of gravitational acceleration and its variations on different celestial bodies.
  • Learn about the International System of Units (SI) and its application in scientific measurements.
  • Investigate the historical development of the Newton as a unit of force.
USEFUL FOR

Students, educators, and anyone interested in physics, particularly those seeking to understand the fundamental principles of force and measurement in the context of Earth's gravity.

destroying
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Is it a unit? or sth?:confused:
 
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It's 0.001 of a Newton
A Newton is the unit of force, 1 kg = about 9.8N
 
mgb_phys said:
1 kg = about 9.8N
I think many school teachers would be angry if you said that.

"the weight of 1 kg on the surface of the Earth is about 9.8N" is more accurate.
 

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