Weight Formula

Definition of Weight

Weight has been defined as the gravitational force on an object due to a massive body. It is a vector quantity since it has both magnitude and direction. The direction of weight is always in the direction toward the center of the gravitational body.

Formula for Weight

The formula is given as,

W=m⋅g

Here,

• W = Weight (in newtons, N)

• m = Mass (in kilograms, kg)

• g = Acceleration due to gravity  

Solved Examples

Numerical corresponding to weight calculations are given below:

Problem 1: Find the weight of a body on the moon if the mass is 60Kg? g is given as

Solution:

Given,

m = 60 kg and

g = 

Formula for weight is,

W = mg

  = 60×1.625

  = 97.5 N

Problem 2: Find the weight of a body on earth whose mass is 25 kg?

Solution:

Given that,

m = 25 kg and

 g = 9.8 m/s2 .

Formula for weight is,  

W = mg  

W = 25×9.8  

W = 245 N

 

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