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Lift
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Calculate the weight that a hot air balloon can carry
August 30th, 2022
homework-and-exercises
newtonian-mechanics
buoyancy
lift
Why does the higher pressure of air underneath an aeroplane wing keep it flying?
April 22nd, 2020
aerodynamics
fluid-dynamics
pressure
lift
aircraft
Could hydrogen liberated from water provide lifting energy which exceeds the energy it took to liberate it from water
January 29th, 2021
newtonian-mechanics
newtonian-gravity
lift
hydrogen
water
Earth magnetic field space elevator. No cable
August 1st, 2022
geomagnetism
estimation
electromagnetism
lift
levitation
How strong must a tornado be to pick up a shark?
September 3rd, 2020
forces
estimation
lift
weather
Could the phenomenon of vortex bursting be exploited to reduce wake turbulence?
June 22nd, 2020
lift
fluid-dynamics
aerodynamics
turbulence
vortex
Could some design of a propeller be used in both air and water?
August 1st, 2022
fluid-dynamics
aerodynamics
drag
lift
Is flying really easier on smaller scales?
November 25th, 2020
scaling
lift
aerodynamics
fluid-dynamics
What is a Physically Accurate Explanation for the Kutta Condition?
September 17th, 2020
viscosity
potential-flow
lift
vortex
aerodynamics
How does the 'water jet pack' work?
October 2nd, 2020
forces
lift
conservation-laws
momentum
Does it take significantly more fuel to fly a heavier airplane?
May 12th, 2020
lift
aircraft
fluid-dynamics
air
Why exactly does a boomerang return back to the thrower?
November 30th, 2020
fluid-dynamics
lift
aerodynamics
angular-momentum
Would an airplane flying through superfluid helium experience lift and drag?
August 1st, 2022
lift
superfluidity
drag
Is Magnus effect a corollary of Bernoulli principle?
February 8th, 2021
lift
fluid-dynamics
projectile
aerodynamics
bernoulli-equation
Why do co-rotating vortices coalesce, but not counter-rotating ones?
July 15th, 2020
fluid-dynamics
aerodynamics
drag
vortex
lift
Calculating the force required to lift a weight with a screw
December 4th, 2020
newtonian-mechanics
forces
energy-conservation
work
lift
How much effect does the Bernoulli effect have on lift?
August 1st, 2022
aerodynamics
aircraft
lift
fluid-dynamics
bernoulli-equation
How can airplanes fly upside down?
June 29th, 2020
lift
aerodynamics
aircraft
Why don't rockets tip over when they launch?
August 1st, 2022
lift
rocket-science
What really allows airplanes to fly?
August 1st, 2022
aircraft
fluid-dynamics
aerodynamics
faq
lift
Does a wing in a potential flow have lift?
August 1st, 2022
lift
aerodynamics
fluid-dynamics
What does a wing do that an engine can't?
July 18th, 2021
lift
aircraft
aerodynamics
Effect of tailwind on aircraft speed
August 1st, 2022
aerodynamics
relative-motion
aircraft
lift
Exactly how much lift is needed to overcome the weight of an average person?
August 1st, 2022
aerodynamics
definition
lift
forces
Determining tension and free body diagrams for a three-stage linear slide
August 1st, 2022
free-body-diagram
string
newtonian-mechanics
lift
homework-and-exercises
Forces on an airfoil
April 25th, 2020
aircraft
lift
aerodynamics
fluid-dynamics
Given airplane mass, velocity of air under wing, and a wing area, find velocity of air over wing
August 1st, 2022
lift
fluid-dynamics
homework-and-exercises
Dimensional Analysis: How to choose the repeating variables?
January 5th, 2020
lift
dimensional-analysis
aerodynamics
fluid-dynamics
homework-and-exercises
Forces on an aircraft - thrust, lift, drag, weight
June 21st, 2020
drag
weight
lift
aerodynamics
How does a hovercraft hover, if it has low pressure underneath it?
May 4th, 2020
aerodynamics
pressure
lift
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