<we><edit> <!-- questions and answers -->
speed-of-light
standard-model
quantum-mechanics
optics
condensed-matter
metric-tensor
schroedinger-equation
terminology
conservation-laws
rotational-dynamics
soft-question
laser
harmonic-oscillator
electrostatics
field-theory
acoustics
capacitance
symmetry
kinematics
potential-energy
gravity
electromagnetism
differential-geometry
homework-and-exercises
material-science
newtonian-mechanics
What would be the mass of a star capable of holding our Sun in orbit at 8.6 l.y.?
homework-and-exercises
newtonian-mechanics
newtonian-gravity
mass
orbital-motion
Oscillation of Two Fluid Interface in a U-tube: The Story before Statics
homework-and-exercises
newtonian-mechanics
fluid-dynamics
harmonic-oscillator
fluid-statics
Proving that $\vec{v}\times\sum_i\dfrac{dm_i}{dt}\vec{r}_i=t(\vec{v}\times\sum_i\vec{F}_i)$ when no external torque
homework-and-exercises
newtonian-mechanics
rotational-dynamics
Feynman's derivation of Maxwell's Equations
quantum-mechanics
newtonian-mechanics
special-relativity
maxwell-equations
In A Banked Turn, How Much Of A Part Does Gravity Play As Compared To The Normal Force?
newtonian-mechanics
classical-mechanics
How to prove that an elephant and a human could jump to the same height?
newtonian-mechanics
biology
scaling
String applying a force on pulley
newtonian-mechanics
forces
free-body-diagram
string
When the engine of an automobile idles
newtonian-mechanics
energy-conservation
dissipation
Final positions and velocities of two bodies, given initial position and velocities, masses, and a force law $f(r)$
newtonian-mechanics
orbital-motion
Forces free body diagram
homework-and-exercises
newtonian-mechanics
forces
free-body-diagram
String connected to a spring
newtonian-mechanics
spring
string
to find the acelaration and time?
newtonian-mechanics
classical-mechanics
kinematics
torque
weight
Linear momentum being independent of the coordinate system
newtonian-mechanics
momentum
Impulse of two different objects
homework-and-exercises
newtonian-mechanics
momentum
collision
Why does the amount of energy transferred depend on distance rather than time?
newtonian-mechanics
energy
kinematics
momentum
work
Fluid Pressure: The Collision Model - Approximation or Truth?
newtonian-mechanics
fluid-dynamics
pressure
fluid-statics
Solve Complete Calculation
homework-and-exercises
newtonian-mechanics
orbital-motion
orbitals
Do you know dynamical formulas for hydraulic cylinders, motors and pumps?
newtonian-mechanics
thermodynamics
classical-mechanics
mathematical-physics
simulations
General equation of Simple Harmonic Motion
newtonian-mechanics
How to determine the force of a spring-damper in 3D
newtonian-mechanics
forces
applied-physics
Experiments with slinky
newtonian-mechanics
forces
newtonian-gravity
acceleration
spring
Confusion about momentum in an inertial reference frame?
newtonian-mechanics
reference-frames
inertial-frames
galilean-relativity
Why a force applied at the center of gravity has the greatest chance to force translational motion?
quantum-mechanics
newtonian-mechanics
rigid-body-dynamics
When we push a wall, we get tired Why?
newtonian-mechanics
forces
work
biology
Energy vs. Force vs. Stresses?
newtonian-mechanics
forces
energy
kinematics
To find electric flux linked with curved hemispherical surface
newtonian-mechanics
electric-fields
Is it possible to achieve a stable Low Lunar Orbit?
newtonian-mechanics
celestial-mechanics
moon
Why number of motors don't affect speed?
newtonian-mechanics
torque
speed
Find alpha . According to the given information
homework-and-exercises
newtonian-mechanics
kinematics
How come the following equation produce a straight line?
newtonian-mechanics
time
oscillators
What really is a fluid?
newtonian-mechanics
fluid-dynamics
fluid-statics
Bounced ray angle of normal direction?
homework-and-exercises
newtonian-mechanics
optics
vectors
reflection
We can not do work with internal force is it right?
newtonian-mechanics
forces
work
free-body-diagram
Is potential energy stored in earth and block because it is energy of interacting bodies?
newtonian-mechanics
forces
newtonian-gravity
potential
potential-energy
What is the formula of the force in an partially inelastic collision
newtonian-mechanics
forces
collision
What forces are acting on a massless pulley "cylinder"?
newtonian-mechanics
Force field parametrization and its relation to true Hamiltonian
newtonian-mechanics
classical-mechanics
statistical-mechanics
Minimum suspended mass to prevent a block from sliding down ramp
newtonian-mechanics
relative velocities
newtonian-mechanics
relative-motion
Rattleback - Breaking the Laws of Physics? (Walter Lewin rotation experiment)
newtonian-mechanics
classical-mechanics
Direction of force of surface tension
newtonian-mechanics
forces
surface-tension
Calculating the friction needed to turn a Belt-Pulley System?
homework-and-exercises
newtonian-mechanics
friction
angular-velocity
Total mass of system and Force
newtonian-mechanics
forces
mass
acceleration
string
What is the ratio of these accelerations?
newtonian-mechanics
acceleration
velocity
Easily approximate center of mass of a person when sitting
newtonian-mechanics
mass
everyday-life
Why force $F$ is equal to $ma$ and not $mv$?
newtonian-mechanics
forces
mass
acceleration
velocity
Can I suck water out of a full bottle?
newtonian-mechanics
pressure
water
home-experiment
Frequency of water bottle as it is being filled
newtonian-mechanics
fluid-dynamics
acoustics
Does $F_f$ (friction force) matter in an equation for jumping on the moon?
newtonian-mechanics
friction
Can we define tension in a string as the reactive force produced in a string being pulled at both ends?
newtonian-mechanics
forces
definition
conventions
string
How we get the equation for $v_1$ from the conservation of kinetic energy and momentum? (Elastic Collision Formula)
homework-and-exercises
newtonian-mechanics
momentum
energy-conservation
collision
velocity, mass and force
newtonian-mechanics
forces
mass
velocity
What would be the maximum height for a vertical slide?
newtonian-mechanics
newtonian-gravity
estimation
biology
Plane flying with constant velocity
newtonian-mechanics
forces
classical-mechanics
aerodynamics
Conservation of momentum for ball rolling up hill
newtonian-mechanics
momentum
reference-frames
conservation-laws
Correct equation for horse-carriage system
homework-and-exercises
newtonian-mechanics
Difference between force and energy equilibrium
newtonian-mechanics
forces
energy-conservation
harmonic-oscillator
spring
Torsion and twist in solid cylindrical beam
homework-and-exercises
newtonian-mechanics
torque
Can electromagnetic wave cause a charged particle to move with constant velocity?
newtonian-mechanics
electromagnetism
If F = $m*a$ and $W = m*g$, why is using $F = m*a$ to calculate weight wrong?
homework-and-exercises
newtonian-mechanics
forces
acceleration
weight
Circular motion, kinetic friction and tension
homework-and-exercises
newtonian-mechanics
rotational-dynamics
friction
string
In this derivation of the transverse wave equation, why is the force multiplied by the change in $x$?
newtonian-mechanics
forces
waves
free-body-diagram
Does the mass of an object modify the wavelength of the waves created if it is dropped in water?
newtonian-mechanics
fluid-dynamics
wavelength
Is it possible to always find a potential associated to a force (even when non-conservative)?
newtonian-mechanics
forces
potential
potential-energy
Can total mechanical energy of an object, can be less than its kinetic energy?
newtonian-mechanics
energy
potential-energy
Can we measure little $g$ in this way?
homework-and-exercises
newtonian-mechanics
newtonian-gravity
acceleration
rotational-kinematics
Resulting force when bending plywood
newtonian-mechanics
Formula of escape velocity
homework-and-exercises
newtonian-mechanics
newtonian-gravity
energy-conservation
escape-velocity
Finding the minimum radius of the pivoted disc
homework-and-exercises
newtonian-mechanics
rotational-dynamics
harmonic-oscillator
rigid-body-dynamics
Can we use the COM reference frame to calculate time period of two connected bodies?
homework-and-exercises
newtonian-mechanics
classical-mechanics
harmonic-oscillator
oscillators
How to solve kinetic energy question?
homework-and-exercises
newtonian-mechanics
Basic question regarding centripetal acceleration
homework-and-exercises
newtonian-mechanics
classical-mechanics
When does the shifting of normal force occur?
newtonian-mechanics
Why does a freewheeling flywheel counter-rotate slightly before finally stopping?
newtonian-mechanics
rotational-dynamics
friction
Equivalency of two free body diagrams
homework-and-exercises
newtonian-mechanics
forces
free-body-diagram
How is centripetal force related to radius?
newtonian-mechanics
centripetal-force
Why does total energy of N coupled harmonic oscillators increase with increase in N?
newtonian-mechanics
classical-mechanics
harmonic-oscillator
Projectile, air resistance and wind
homework-and-exercises
newtonian-mechanics
kinematics
projectile
drag
Mass Dropped on Scale
newtonian-mechanics
forces
How do you change the acceleration of a tennis ball, connected to a string in circular motion?
homework-and-exercises
newtonian-mechanics
kinematics
acceleration
string
What exactly does accelerometer measure on a vertical rotating disk?
newtonian-mechanics
acceleration
rotation
centripetal-force
How would a gradual joining of the Earth and Moon affect their orbits?
newtonian-mechanics
newtonian-gravity
energy-conservation
orbital-motion
celestial-mechanics
Classical Mechanics: Continuous or Discrete universe?
quantum-mechanics
newtonian-mechanics
spacetime
universe
discrete
The two causes for the factor 2 in Coriolis effect
newtonian-mechanics
reference-frames
acceleration
inertial-frames
coriolis-effect
What is tension in a rope equal to?
homework-and-exercises
newtonian-mechanics
forces
free-body-diagram
string
Is work done against a field when the forces match?
newtonian-mechanics
energy
newtonian-gravity
work
displacement
Intuition and difference between centrifugal force & Coriolis force?
newtonian-mechanics
forces
reference-frames
centrifugal-force
coriolis-effect
Find acceleration due to Coriolis Force
homework-and-exercises
newtonian-mechanics
reference-frames
rigid-body-dynamics
coriolis-effect
Wave function and corresponding energy eigenvalue
quantum-mechanics
newtonian-mechanics
waves
wavefunction
superposition
A conceptual propulsion device based on instantaneous energy transfer of relativistic mass
newtonian-mechanics
momentum
mass-energy
perpetual-motion
propulsion
Why does potential and force at an exterior point change on considering discrete masses at centre of mass?
homework-and-exercises
newtonian-mechanics
electrostatics
newtonian-gravity
mass
Tension in rope is equal to?
newtonian-mechanics
forces
free-body-diagram
string
How does gravity work without consumption of energy?
newtonian-mechanics
newtonian-gravity
energy-conservation
work
potential-energy
Definition of force?
newtonian-mechanics
What creates the chaotic motion on a double pendulum?
newtonian-mechanics
oscillators
chaos-theory
complex-systems
How long could someone survive in free fall?
newtonian-mechanics
drag
speed
biology
Calculate impact force when time is not mentioned
newtonian-mechanics
forces
momentum
time
collision
Determining the laws of motion by Newton
newtonian-mechanics
experimental-physics
history
Coloured marbles separating in galton board?
newtonian-mechanics
statistical-mechanics
simulations
probability
granulated-materials
Superposition and conservation of energy
quantum-mechanics
newtonian-mechanics
waves
wavefunction
superposition