Question 1:
A beam rests on a pivot.
The weight of the beam is negligible.
Masses W, X and Y are placed on the beam, as shown in Fig. 4.1.
w 4
x
0.5m
0.1 m
Fig. 4.1
The weight of mass Y is 12N and the weight of mass W Is 4 N.
Calculate the weight of mass X that balances the beam.
0.3m
