Ch 17: Fluid MechanicsWorksheetSee all chapters
All Chapters
Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
Ch 07: Work & Energy
Ch 08: Conservation of Energy
Ch 09: Momentum & Impulse
Ch 10: Rotational Kinematics
Ch 11: Rotational Inertia & Energy
Ch 12: Torque & Rotational Dynamics
Ch 13: Rotational Equilibrium
Ch 14: Angular Momentum
Ch 15: Periodic Motion (NEW)
Ch 15: Periodic Motion (Oscillations)
Ch 16: Waves & Sound
Ch 17: Fluid Mechanics
Ch 18: Heat and Temperature
Ch 19: Kinetic Theory of Ideal Gasses
Ch 20: The First Law of Thermodynamics
Ch 21: The Second Law of Thermodynamics
Ch 22: Electric Force & Field; Gauss' Law
Ch 23: Electric Potential
Ch 24: Capacitors & Dielectrics
Ch 25: Resistors & DC Circuits
Ch 26: Magnetic Fields and Forces
Ch 27: Sources of Magnetic Field
Ch 28: Induction and Inductance
Ch 29: Alternating Current
Ch 30: Electromagnetic Waves
Ch 31: Geometric Optics
Ch 32: Wave Optics
Ch 34: Special Relativity
Ch 35: Particle-Wave Duality
Ch 36: Atomic Structure
Ch 37: Nuclear Physics
Ch 38: Quantum Mechanics
Sections
Density
Intro to Pressure
Pascal's Law & Hydraulic Lift
Pressure Gauge: Barometer
Pressure Gauge: Manometer
Pressure Gauge: U-shaped Tube
Buoyancy & Buoyant Force
Ideal vs Real Fluids
Fluid Flow & Continuity Equation
Additional Practice
Bernoulli's Equation
Viscous Flow & Poiseuille's Law
LearnAdditional Practice
Next SectionIdeal vs Real Fluids

Solution: A table-tennis ball has a diameter of 3.80 cm and average density of 0.0840 g/cm 3. What force is required to hold it completely submerged under water?

Solution: A table-tennis ball has a diameter of 3.80 cm and average density of 0.0840 g/cm 3. What force is required to hold it completely submerged under water?

Problem

A table-tennis ball has a diameter of 3.80 cm and average density of 0.0840 g/cm 3. What force is required to hold it completely submerged under water?

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Practice Problems
A rectangular block of wood, 12 cm x 18 cm x 42 cm...
Two wooden boxes of equal mass but different densi...
A block of density ρ1 and volume V1 is submerged i...
Suppose that a volleyball A and a bowling ball B a...
Consider a rectangular block of ice floating in wa...
A slab of ice floats on a freshwater lake. What mi...
A diver wishes to recover a treasure chest she fou...
A boat's hull displaces 1600 L of water when float...
An object floats on the surface of water. If the o...
A boat is floating on the surface of the water whe...
A barge is 10.0 m wide and 60.0 m long and has ver...
A rectangular block of wood, 12 cm x 18 cm x 42 cm...
A cube of side s is completely submerged in a pool...
A cube of side s is completely submerged in a pool...
A woman floats in a region of the Great Salt Lake ...
A beaker of mass 1 kg containing 2.5 kg of water r...
A spar buoy consists of a circular cylinder, which...
Suppose the vessel containing the water and the ic...
A solid aluminum cylinder of length L, radius r an...
A table-tennis ball has a diameter of 3.80 cm and ...
A 1.00-kg beaker containing 2.00 kg of oil (densit...
A geologist finds that a Moon rock whose mass is 9...
Archimedes principle can be used not only to deter...
A cube of side length 13.0 cm and made of unknown ...
A 3.60-kg piece of wood (exttip{SG}{SG}SG = 0.51) ...
Oil having a density of 930 kg/m3 floats on water....
A 7.4 kg solid sphere made of metal whose density ...
A diver wishes to recover a treasure chest she fou...
A rock with density 2300  kg/m3 is suspended from ...
A hydrometer consists of a spherical bulb and a cy...
A toy floats in a swimming pool. The buoyant force...
An object floats in water with 5/8 of its volume s...
An ice cube floats in a glass of water. As the ice...
An iron anchor with mass 35.5 kg and density 7860 ...
A slab of ice floats on a freshwater lake. What mi...
A hollow, plastic sphere is held below the surface...
Previous SectionPressure Gauge: U-shaped Tube
Next SectionIdeal vs Real Fluids