A wooden block of volume 5.26 x 10 m floats in water, and a small steel object of mass m is placed on top of the block. When m = 0.360 kg, the system is in equilibrium, and the top of the wooden block is at the level of the water. (a) What is the density of the wood? 239 5 x kg/m (b) What happens to the block when the steel object is replaced by a second steel object with a mass less than 0.360 kg? What happens to the block when the steel object is replaced by yet another steel object with a mass greater than 0.360 kg?

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Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.