# Fluid Flow

### Topic Page

Fluid Flow### Questions

- How does changing the speed of a fluid affect its pressure?
- What does resistance of a fluid flow depend on?
- Blood squirts from a syringe at a speed of 5 m/s. the diameter of the needle opening is .002 centimeters. what is the pressure difference between the blood inside the syringe and the air outside? (assuming the syringe is horizontal and that the velocity inside is zero)
- An airplane has a mass of 18,000 kilograms, and the total wing is 50 m2. during level flight, the pressure on the lower wing surface is 5.25 x 104 pa. what is the pressure on the upper wing surface?
- The water supply of a 36-story building is fed through a main 8-centimeter diameter pipe. a 1.6-centimeter diameter faucet tap located 22 meters above the main pipe is observed to fill a 30-liter container in 20 seconds. what is the speed at which the water leaves the faucet?
- What is fluid flow velocity?
- How do you measure fluid flow?
- Water flows through a fire hose of diameter 6.35 centimeters at a rate of 0.012 m3/s. the fire hose ends in a nozzle of inner diameter 2.2 centimeters. what is the velocity with which the water exits the nozzle?
- Why is fluid flow important in the food industry?
- How does density affect fluid flow?
- Water squirts from a syringe at a speed of 35 m/s. the diameter of the opening is .004 centimeters. what is the pressure difference in pascals between the water inside the syringe and the air outside? (assuming the syringe is horizontal and that the velocity inside is zero)
- How do you measure fluid flow?
- What is an example of a fluid flow practice problem?
- What are some examples of fluid flow?
- If you shot a bullet at water, is there an angle at which the bullet would bounce off instead of just go through?
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- Which force in fluids described by Archimedes principle allows objects to float?
- What causes convection currents?
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- A rectangular tank is filled to the brim with water. When a hole at its bottom is unplugged, the tank is emptied in time T. How long will it take to empty the tank if it is half filled?
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- Water flows through a fire hose of diameter 6.40 cm at a speed of 5.9 m/s. Find the flow rate of the fire hose in L/min?
- If liquid pressure was the same at all depths, would there be a buoyant force on an object submerged in the liquid?