What would be kelly's weight be in newtons if her mass is 70 kilograms? a: 70 x g b: 70 _ _ g c: 70 _ _ g^2 d: 70 x g^2 e: 70

Choice a

Explanation:

The weight is defined in formulaic terms as the mass *g

You know the mass to be 70 kg so multiply by g which gives choice (A)

A good way to check is that you know weight has the units newtons (N) and you know kg* m/s^2 qill yield newtons therefore choice A is correct

Hope this helps :)