Question

The weight of an object is to be found using the beam balance shown in the diagram.
object
?
The object is put in the left-hand pan and various standard weights are put in the right-hand pan,
with the following results.
effect
weights in the right hand pan
0.1 N, 0.1N, 0.05N, 0.02N
balance tips down slightly on the left-hand side
0.2N, 0.1N, 0.01N
balance tips down slightly on the right-hand side
What is the best estimate of the weight of the object?
c
D 0.58 N
0.31N
0.29 N
B
A 0.27N​

Answer 1

A 0.27N is the right answer

Answer 2

Answer: It’s actually 0.29

Explanation:

0.1+0.1+0.05+0.02= 0.27

0.2+0.1+0.01= 0.31

0.27+0.31=0.58

0.58/2=0.29