Question

the mass of a body on the surface of the earth is 80kg. what is the weight at an altitude of 10km? (Radius of the earth is 6371km)

Answer 1

784 N

We know

weight= mg

so m I.e. mass is 80 kg and

value of g will be 9.8 coz it won't change for altitude of 10 km

BY calculating

we get

80×9.8

=784 N