Question

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

Answer 1

Answer:

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 :)