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B Velocity of the tip of a 2m pole hitting the ground
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2
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48
A Cart pendulum problem when the pendulum is a beam with torsional stiffness
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0
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39
I Mechanics of Rolling and Striking Cones
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6
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190
B Newton's Third Law in space
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9
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329
What determines heaviness of objects in Space?
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6
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215
B Resnick Halliday Krane: Venturimeter formula mistake?
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4
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103
B Can we differentiate with respect to a vector?
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10
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191
B Will there always be a vector product for 2 vectors in a 3d plane?
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8
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577
I Design of Mechanism for Moving Soil -- Need help with an instability
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23
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431
I Continuity of Hamiltonian at separatrix in action-angle variables
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93
Newton's 2nd Law confusion: mass times acceleration is not a force?
2
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39
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697
I Acceleration in Newton's second law
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5
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1K
I Mechanical Advantage of a Leveraged Squat Machine?
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9
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204
B Are frictional forces action forces or reaction forces?
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14
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289
B Friction and Newton's laws in car braking systems
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10
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257
I Newton's Third Law: Action & Reaction Along the Line Connecting Two Objects
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5
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266
B Energy needed to raise an object to a certain altitude
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7
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172
B I don't get instantaneous impulse
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2
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186
B Questions about momentum and force as well as normal force/friction
2
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35
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698
B The physics of flywheel launchers (like tennis ball shooters)
2
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60
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850
B Can only one help me build prototype or simulation
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6
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212
B Box being pulled up a slope with friction
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1
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227
I Is the Earth-Sun system an oscillator? What is an oscillator?
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11
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408
I Metal Ball Rolling in a Parabolic Bowl in the presence of a magnet
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285
I Change of coordinates in a potential energy field
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419
I Work done by action reaction forces when they move things
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13
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444
I Relationship between frequency and power for sound?
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11
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3K
B Help me understand jerk of a falling object hitting an "ideal foam"
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7
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427
B Gravitatonal field force arrow diagram for Sun and Earth
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324
I Gravitational field in Galilean relativity
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5
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318
I Effects of External Torques on the Angular Momentum of Asymmetric Bodies
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3
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430
I Tong Dynamics: cannot cancel angle from orbit energy expression calculation
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2
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335
B Move in Space without mass exchange
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4
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324
I How can we prove the kinetic energy equation
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2
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365
I Confusion about adding angular velocities
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4
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426
B Looking for quality data from ticker time experiments (for quadratic regression analysis)
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13
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582
Insights How to Solve a Multi-Atwood Machine Assembly
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2
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4K
Interferometric autocorrelation of sech^2 pulse?
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6
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2K
I Does a rotating accelerometer moving linearly measure linear velocity?
2
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47
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2K
I Statics: When the reactions depend on the displacements
2
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35
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2K
I Electric guitar sustain calculation
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6
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537
I Earth's angular velocity when axis is aligned with apparent gravity
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1
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444
I Determine if the block will slide or flip over after contact
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8
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656
I The proportion of kinetic energy of a rotating rigid body?
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7
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577
B What is the Absolute Value of the Normal force on a block on this wedge?
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3
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523
I Determining whether an object will topple or move without a Slope Test
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5
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459
I G Force Calculation Optimisation with camera, equations & accelerometer (drop testing)
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4
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476
I How can angular displacement be larger than 2pi?
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20
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831
I Why does a free rigid body rotate only about its COM when F(ext) is applied?
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7
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592
B What is physical significance of the direction of angular velocity?
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2
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519
A Boundary condition of limiting friction in continuum mechanics
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18
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758
I Why does the main muscle use the most energy in body movements?
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24
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862
I Why must partialS/partialα_n = -β_n where S is the complete integral?
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3
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533
I Does the classical theory of angular momentum explain this video of a unicycle robot?
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4
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727
I Units of a vector in a velocity vs time graph?
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13
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676
B Filming a passing road sign: speed vs bumpiness
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16
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933
I Will This Friction Clamp Hold the Weight?
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10
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719
B Why in two block systems do both blocks tend to have the same velocity?
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6
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535
I A rod that falls while rotating from the end of a table
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2
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525
B The work done by two objects on each other
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4
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595
I Noethers theorem, transformations of the Lagrange density
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5
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512
I Question about friction in situation where interface slip occurs
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4
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623
I Sliding a cloth beneath a block causing tipping
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13
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693
I Return to the center of the Earth
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10
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608
B Feynman's lectures: Newton’s Laws of Dynamics
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2
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516
I Mechanics of an inertial balance
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6
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636
I Two-Mass Oscillator: Plotting Amplitudes Over Frequency in Hertz
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10
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1K
I Lever arm comparison on a boat with toe-in motors
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1
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467
B Why Is an Object's Weight Equal to the Force of Gravity It Experiences?
2
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51
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2K
I Lower center of mass creates more stability so how do you explain moving the center of mass upwards increases stability?
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4
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545
I Instantaneous velocity - displacement and distance
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3
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674
I Question about Momentum vs. Kinetic Energy vs. Deforming In Collisions
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2
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703
A Recover Hamilton equation from 2-form defined on phase space
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3
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746
I A vehicle has two wheels rolling at different speeds. What forces act on the vehicle as it follows a curved trajectory ?
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11
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648
B Lewis C. Epstein's "Battleship Floating in a Bathtub"
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19
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720
B Static friction needed for rolling without slipping
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4
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831
I What Happens to Rotational Velocity When AC Part is Dropped?
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4
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716
B Two-body Kepler problem where the Sun is at rest in a coordinate system orbited by another body
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7
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692
I Finding yield strength with a load/displacement curve
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5
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969
I Presentation of the Dehavilland Comet crash due to metal fatigue
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2
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641
B How Much Mass Required to Demonstrate Gravity?
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3
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726
I Find Best Water Nozzle Type & Pressure for Longest Distance
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32
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5K
A Modeling the damping of a physical rigid pendulum
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1
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877
B How can tension apply torque on a simple pulley?
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18
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782
I Understanding Bolted Joints: Shigley's Explanation & Real-Life Testing
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8
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2K
I Generate a trackmap with speed and g forces
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13
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2K
B Why don't cars accelerate according to F = ma?
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12
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1K
B Diving into ellipsoid swimming pool at one focus
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30
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1K
B Shortest distance between two points
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11
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776
I Cavendish balance and mass of objects
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6
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752
B Is the time derivate of force equal to the position derivative power?
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2
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694
A Pressure on a Capsule within an Enclosure (Underwater @ 500m)
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5
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751
A Decoupling of a spring mass system
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5
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836
B Parcel theory -- how can there be buoyancy with miscible gases?
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5
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735
I How is the net force on the system equal to 0 initially?
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14
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832
B Rotational Dynamics: Confused about the tension in this string pulling a mass up an incline
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2
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820
I Looking for a formula for damage when sliding to a stop
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18
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966
B How to characterize a rubber ball moving horizontally and bouncing off of a vertical wall?
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8
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949
A Equations of Motion for Torsional Inverted Pendulum on a moving cart
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2
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947
I Optimal space between anchor points on a long piece of material
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6
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712

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