Question

a stone weeks 490 Newton on a planet whose acceleration due to gravity is half that of the earth
a. calculate the mass of the stone
b. the weight of the stone on the earth​

Answer 1

Given:-

•Weight of the stone(W1)=490N

•Acceleration due to gravity(g1)=Half of that of earth

=>1/2 of 9.8m/s²

=>4.9m/s²

To find:-

•Mass of the stone(m)

•Weight of the stone on the earth(W)

Solution:-

We know that---

=>W1=mg1

=>m=W1/g1

=>m=490/4.9

=>m=100kg

Thus,mass of the body is 100kg.

As we know that mass of a body is constant everywhere,thus mass of the stone will be 100kg on earth also.

Now,for earth value of g is 9.8m/s²

=>W=mg

=>W=100×9.8

=>W=980N

Thus,weight of the stone on the earth is 980N.

Answer 2

Answer:

980 is urs answer.. ....