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Fluids & statics quiz
Five questions on Fluids & statics. Answer all 5 to see your score.
Question 1 of 5
A crate's 0.25 m^2 base presses down on the floor with a force of 500 N. What pressure does it exert?
Question 2 of 5
What gauge pressure is there 20 m below the surface of a lake? (rho_water = 1000 kg/m^3)
Question 3 of 5
An object with volume 5.0e-3 m^3 is fully submerged in water. What buoyant force does it feel?
Question 4 of 5
Water moving at 2.0 m/s in a pipe of cross-section 0.030 m^2 enters a narrower section of 0.010 m^2. What is its new speed?
Question 5 of 5
A tank drains through a small hole 3.2 m below the water surface. Neglecting viscosity, what is the exit speed?