Question

What is the mass, in grams, of the object being measured in the triple beam balance shown below? (2 points)

Snapshot of a triple beam balance. The large slider is at 100 g, the medium slider is at 0 g, and the small slider is at 2.5 g.

© 2010 FLVS

a
2.5 g

b
20.5 g

c
102.5 g

d
120.5 g

Answer 1

Okay! So you read these balances by essentially adding all of the numbers together. The easiest way to do it is to read the middle number first, then the top, then the bottom. So the middle number is at 100. The top is at 0, and the bottom is at 2.5.

So what is 100 + 0 + 2.5?

Answer 2

102.5?

Answer 3

Yep! And that is your answer! It is fairly simple even though it looks so complicated

Answer 4

so just add them all together...?

Answer 5

thats easy

Answer 6

Yep!