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Estimating Pitch & Volume of Collision Sounds
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A Help in understanding this derivation of Lagrange Equations in Non-Holonomic case
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0
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585
I Remark on centrifugal force in Heino Falcke's black hole book
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22
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A Virtual work of constraint forces in Hamilton’s principle
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I Maximum torque without wheel slip
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B Does Pushing a Ship from a Ramp Affect Its Movement?
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A Hamilton's principle and virtual work by constraint forces
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B Does the density of a liquid affect the braking of an object in free fall when it lands?
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680
I Reference frames in terms of homogenity/isotropy
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994
I Summing and averaging RMS pressure (amplitude) of sound waves
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I Is there a list of root-power quantities? Or a rule of thumb?
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14
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I Why is the driven gear's torque's direction clockwise?
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6
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803
I [Questions] Modeling a Baseball Pitch Trajectory in 3D Space
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1
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827
I Don’t understand the general form of the Sinusoidal Wave Equation
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5
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834
Why do heavier projectiles tend to have higher momentum?
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29
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A What is the fatigue limit for copper pipe with a factor of safety of 5?
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710
I Importance of Moment of Inertia for designing helicopters and propellers?
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876
I Types of symmetries in Lagrangian mechanics
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I Lagrangian coordinate transformation (Noether)
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I Why Lagrangian includes 1/2m by Landau?
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999
B Moment of Inertia of Rectangles
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I Solving Wheel Coming to a Stop: FBD, Friction & Hysteresis
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I Trajectory collision calculation
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6
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I Does two-slit sound-wave interference pattern return to original form?
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10
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938
Insights How to Apply Newton’s Second Law to Variable Mass Systems
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I Effect of moving cargo on vehicle fuel consumption
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28
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B Why do we feel gravitational acceleration from the Earth and not from the Sun?
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5
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1K
Paddle Wheel Torque Calculations
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7
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I Lagrangian symmetry for the bullet and gun
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I Inertia of body moving about two distinct parallel axes
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I When Water acts like Glue (flat surfaces)
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I Newton's Second Law - variable mass case
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I If frictional force in system is <= us*N then there is no slipping
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872
I Sound pressure and inverse distance law
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5
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I Effect of Nearby Mountain on an Ideal Pendulum
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I Work-Energy Theorem for Moving Block and Spring System?
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4
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1K
I Angular Momentum problem v2 (mass moving inward or outward)
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5
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1K
Calculating actual weight lifted on a pulley weight machine
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14
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11K
I Noether’s theorem -- Question about symmetry coordinate transformation
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4
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895
Double pendulum motion (and Lyusternik-Fet Theorem)
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I Proof that canonical transformation implies symplectic condition
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7
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B Finding Angle Between Fluid & Horizontal: Clarified
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14
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I Tracing parabolic motion with only current velocity and position?
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2
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781
I Making a "Planetary Gear Set" using a 3D printer and PLA material
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4
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1K
B Looking for help understanding scalars vs. vectors
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15
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1K
B Water doesn’t fall in inverted half cup
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I Board Breaking: Why Strike Center for Good Break?
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11
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1K
I Aircraft guidance question: Effect of mounting sensors at the CG vs on the Tail
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10
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960
B Why is speed constant when centripetal acceleration is constant?
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24
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2K
I Should we consider GPE in the vertical case of SHM?
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4
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988
I How come you have to use work energy to find v0 of spring?
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9
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893
I Find Best Water Nozzle Type & Pressure for Longest Distance
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31
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3K
I Stribeck v.s. Coulomb friction law
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1
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946
I Statics: When the reactions depend on the displacements
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5
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876
I Why can centripetal force balance out gravity?
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23
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B Why does torque increase with increasing moment of inertia?
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13
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1K
I Two beams joined after bending
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B Need help understanding some concepts about friction
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12
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I Where is the centripetal force acting on mass M?
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21
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I Reaction moment on I.C. engine when we increase RPM
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26
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B Two points of contact in rolling
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11
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I Force Required for Gas Struts on 1972 VW T2 Danbury Pop top campervan?
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9
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2K
I Fuel paradox arising from Galilean transformation?
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4
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770
B Thoughts about Galilean transformations
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I Generate a trackmap with speed and g forces
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9
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I Force on Body Attached to Spring at Displacement x - A.P. French
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6
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965
B Is the Physics of the Frog Jump Important in Taekwondo?
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11
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I A specific case of an exception to Archimedes' Principle?
2
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40
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I The Hamiltonian and Galilean transformations
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8
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I The effect of a field on a particle depends on the particle velocity?
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5
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I Force Generated By Leg Muscles in Free Body Diagrams
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8
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B How does the front wheel have no friction?
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27
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A Aligning effect in uniform field
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7
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I How to use physics to prove historical events?
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2
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742
Is the water pressure below ocean waves constant?
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32
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7K
B Springboard physics questions for diving coach at YMCA
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12
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1K
A Fatigue Failure in Structural Elements: Axial, Shear & Torsional Loads
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5
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801
I Does a person standing up on a swing in oscillatory motion do any work?
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6
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832
I Angular velocity of a rod and what formula to use while solving.
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15
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I Meaning of the terms in the formula of the net external force
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17
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968
B Understanding Physics for Coding Collision of 2 Balls
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14
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I Question about a Rotating system with mass moving inwards
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Weight distribution on both ends of a ramp?
2
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B Vacuum in tanks similiar torricellian vacuum
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2
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598
Car Silencer Mud: Is It Normal or Threatening?
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8
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B Pressure of air inside a glass
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3
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B Acoustic levitation: high or low pressure?
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4
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I Why does the end of the fracture have a branch? (Fracking)
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555
I Rolling ball, change of direction
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3
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B Newton's second law -- rockets
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6
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A Regular vs stable orbits in spherically symmetric potentials
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4
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645
I Calculating Force Applied to an Object of 100kg Moved 1m in 5s
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12
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B Calculating Leverage & Force in Lower Leg Squat
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4
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686
B Discovering the Mystery Behind the Direction of Water Swirl in Your Sink
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3
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900
I Understanding cymatics physics
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14
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A Order of rotations due to torque in 3DOF in simulations
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2
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793
I Checking if a stationary point is a minimum using Lagrangian Mechanics
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I Effect of vent ratio on the drag coefficient of round parachutes
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971
Optimal Size of Rocket Engine Nozzle for Vacuum Performance
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26
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A Do moon phases affect weighing precision on the microgram range?
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6
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740

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