Mechanics
Weight
Weight is the gravitational force on an object.
Variables
WN
Weight
Gravitational force
mkg
Mass
Mass of object
gm/s²
Gravitational acceleration
≈ 9.8 m/s²
Derivation
Special case of F = ma where a = g.
Your notes
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Common questions
What is the Weight formula?
Weight is written W = mg. Weight is the gravitational force on an object. It belongs to Mechanics, under Dynamics.
What are the units in W = mg?
In SI units, W is weight, measured in kg·m/s²; m is mass, measured in kg; g is gravitational acceleration, measured in m/s².
How is the Weight formula derived?
Special case of F = ma where a = g. The result is W = mg.