Mass of an object is 40kg, What is its weight on the earth? (Take g=10m / s2)
Given that:
m=40 kg and g=10m / s2
Weight,W=mg=40 x 10=400N
An object has mass of 20 kg on earth. What will be its ( i) mass, and (ii) weight, on the moon ? (g on moon = 1.6m/s2).