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  1. Problems
  2. /Mechanics
  3. /Fluid Flow, Bernoulli's Principle and Viscosity

Fluid Flow, Bernoulli's Principle and Viscosity

Physics
+ Upload a Problem
More in MechanicsUnits and MeasurementMotion in a Straight LineRelative MotionVectors and Motion in a PlaneNewton's Laws of MotionFrictionWork, Energy and PowerMomentum and CollisionsCircular MotionGravitationRotational MotionElasticity and Mechanical Properties of SolidsPressure and FluidsFluid Flow, Bernoulli's Principle and ViscositySurface Tension and Capillarity
16 problems
Type:
1.
Answer, and give a reason. Why do big hailstones hit the ground much harder than small ones?
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
2.
A drop of drizzle of radius 0.030 mm falls through air of viscosity 1.8 × 10⁻⁵ Pa s.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
3.
A brass ball of radius 1.2 mm (density 8500 kg/m³) falls through glycerine (density 1260 kg/m³…
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
4.
A flat plate of area 0.15 m² slides at a steady 0.60 m/s over a fixed surface, on a film of oil 1.2…
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
5.
A small plane has wings of total area 25 m².
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Hard
6.
A Venturi meter in a water pipe is 16 cm across at the wide part and 8.0 cm at the throat.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
7.
A tank on the ground holds water 2.8 m deep.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
8.
An open tank stands on the ground. A small hole of area 1.5 cm² in its side is 2.5 m below the…
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
9.
Answer, and give a reason. A shower curtain moves inward when the shower is running fast.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
10.
Show that Bernoulli's equation gives the pressure in a liquid at rest.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
11.
Water flows at 2.5 m/s at a pressure of 3.2 × 10⁵ Pa in a pipe at ground level.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
12.
Water flows at 1.5 m/s in a level pipe 12 cm across, at a pressure of 2.0 × 10⁵ Pa.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
13.
Answer, and give a reason. Why does a river flow fastest where it is narrowest?
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy
14.
Blood flows at 0.25 m/s in an artery of radius 0.40 cm.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
15.
A garden hose 2.0 cm across fills a 12 litre bucket in 20 s.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Medium
16.
A river 90 m wide and 2.5 m deep flows at 1.4 m/s.
High School (11–12) · Fluid Flow, Bernoulli's Principle and ViscosityStemPy LabStemPy Lab
Easy