Question

Siobhan wants to measure the mass of a bag of flour what should she do

Answer 1

Answer:

Just place the bag of flour on a scale. the value you get is the weight.

if weight is:

W = Mass* gravity

then Mass = weight/ gravity

Explanation:

Answer 2

Answer:

For the given question the first option seems to be correct when considering bag of flour.

Explanation:

The first option tells us to use a Balance to record the data in kilograms.  Although the selection of weighing scale or machine depends on what kind of item we are going to weight.

                                   Mass = Weight/ Gravity

But here in this case we are given a bag of flour which usually has a weight in kgs which brings us to use of balance which can weigh the floor bag and we can record the data in kilograms.