Question

mass of body on earth is 70 kg. find mass on moon

Answer 1

70 kg! Mass is a measure of the particles that make up an object and the composition of the object does not change on the moon. However the object's weight will change on the moon, just as it appears to change on an elevator. 

The acceleration due to gravity on the earth is approximately 9.8 m/s^2, depending upon where an object is located. On the moon, the acceleration due to the moon's gravity is 1.6...