# Fluids 2

**Classical Mechanics**Level 4

A 6-in.-diameter piston is located within a cylinder that
is connected to a inclined-tube manometer whose diameter is

. The fluid in the cylinder and the manometer is oil with

.When a weight,

point (1) to (2). Find the weight W ( in lb ) Assuming that the change in position of the piston is negligible.

.

**\(\frac{1}{2}\)**inch as shown. The fluid in the cylinder and the manometer is oil with

**(specific weight "59 \(\frac{lb}{ft^{3}}\))**.When a weight,

**"W"**is placed on the top of the cylinder, the fluid level in the manometer tube rises frompoint (1) to (2). Find the weight W ( in lb ) Assuming that the change in position of the piston is negligible.

.