Question

The mass of an object whose weight is 20N is x kg .Find x Take g = 10m/s^2

Answer 1

Weight is gravitational force on the object due to the planet .

so this force is equal to mass times acceleration.

acceleration is given 10m/s^2.
let mass of this object is m.

so gravitational force=m(10)=10m N
but it is given 20 N .

so 10m=20
or m=2kg.