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Newtonian-gravity
New post in Newtonian-gravity
If gravity is attractive, why doesn't the Milky Way contract?
June 30th, 2021
dark-energy
newtonian-gravity
orbital-motion
solar-system
galaxies
Why do spacecrafts take off with rockets instead of just ascending like an aircraft until they reach space?
August 1st, 2022
newtonian-gravity
atmospheric-science
rocket-science
aircraft
propulsion
How does gravity work underground?
July 7th, 2020
newtonian-gravity
planets
earth
faq
Gravity in other than 3 spatial dimensions and stable orbits
August 1st, 2022
newtonian-gravity
spacetime-dimensions
orbital-motion
stability
How do spiral arms form?
August 1st, 2022
gravity
newtonian-gravity
astrophysics
galaxies
Pouring water in an aircraft while upside down?
August 1st, 2022
newtonian-mechanics
forces
newtonian-gravity
centrifugal-force
centripetal-force
Does a gun exert enough gravity on the bullet it fired to stop it?
August 25th, 2020
homework-and-exercises
newtonian-mechanics
newtonian-gravity
estimation
escape-velocity
What does the Moon's orbit around the Sun look like?
August 9th, 2022
newtonian-mechanics
newtonian-gravity
reference-frames
orbital-motion
celestial-mechanics
What causes our Sun to oscillate around its mean Galactic orbit?
August 1st, 2022
newtonian-mechanics
newtonian-gravity
orbital-motion
sun
galaxies
In a roller coaster, does the rear car have a higher acceleration/speed?
October 16th, 2020
newtonian-mechanics
newtonian-gravity
acceleration
speed
Why do phones land face down?
August 15th, 2022
newtonian-mechanics
newtonian-gravity
everyday-life
What is the shape of the upper boundary of water hitting a screen?
July 17th, 2020
fluid-dynamics
newtonian-gravity
flow
Why do archery arrows tilt downwards in their descent?
January 10th, 2020
aerodynamics
newtonian-mechanics
newtonian-gravity
projectile
drag
If the gravity at the center of the Earth is zero, why are heavy elements like iron there?
February 12th, 2021
earth
planets
geophysics
newtonian-gravity
If the ground's normal force cancels gravity, how does a person keep rotating with the Earth?
December 23rd, 2020
centrifugal-force
centripetal-force
reference-frames
newtonian-gravity
newtonian-mechanics
Why is gravitational potential energy negative, and what does that mean?
August 1st, 2022
newtonian-gravity
potential-energy
conventions
If you sliced the moon in half perfectly, would it hold together?
August 8th, 2022
newtonian-mechanics
newtonian-gravity
moon
Can someone explain this Freeman Dyson quote about gravity and thermodynamics?
August 1st, 2022
thermodynamics
gravity
newtonian-gravity
Why does it take so long to get to the ISS?
February 26th, 2020
newtonian-mechanics
space
newtonian-gravity
orbital-motion
rocket-science
Why do all the planets of the solar system orbit in roughly the same 2D plane?
August 1st, 2022
solar-system
newtonian-gravity
angular-momentum
conservation-laws
orbital-motion
Why do we say that the Earth moves around the Sun?
February 20th, 2020
newtonian-mechanics
newtonian-gravity
orbital-motion
solar-system
inertial-frames
How does Newtonian gravitation conflict with special relativity?
August 1st, 2022
special-relativity
gravity
newtonian-gravity
Don't heavier objects actually fall faster because they exert their own gravity?
April 21st, 2020
mass
newtonian-gravity
acceleration
free-fall
Can a submerged object in a free falling fluid sink faster than falling?
January 28th, 2020
newtonian-gravity
reference-frames
water
fluid-statics
buoyancy
Are planets actually moving in elliptical orbits around the Sun or do they move in circular orbits around their center of mass?
August 1st, 2022
orbital-motion
inertial-frames
newtonian-mechanics
newtonian-gravity
reference-frames
Does Earth really have two high-tide bulges on opposite sides?
August 1st, 2022
everyday-life
education
tidal-effect
newtonian-gravity
Which ball touches the ground first?
December 21st, 2020
homework-and-exercises
newtonian-mechanics
newtonian-gravity
drag
free-fall
Can a Skydiver Land On a Large Slide and Survive?
February 4th, 2022
newtonian-mechanics
newtonian-gravity
momentum
friction
free-fall
Is the force of gravity always directed towards the center of mass?
August 1st, 2022
newtonian-gravity
reference-frames
Why do two bodies of different masses fall at the same rate (in the absence of air resistance)?
June 26th, 2020
newtonian-mechanics
free-fall
acceleration
mass
newtonian-gravity
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