Question

On an SI scale, an object weighs 14 N. If the object is on earth and accelerating downward at a rate of 9.8 m/s?,then what must be the mass of the object in kg?Round your answer to the nearest decimal.

Answer 1

We have the next formula

`W=mg`

W is the weight, m is the mass and g is the gravity.

In our case

W=14N

g=9.8 m/s^2

We substitute the values

`14=m(9.8)`
`m=(14)/(9.8)=1.4\text{ kg}`

ANSWER

m=1.4 kg