Mechanics Forum

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Undergrad What is the Unsolvable Catenary Problem?
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Undergrad Which Equation Do Real Springs Obey Better?
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Undergrad Why is rolling easier than sliding?
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Graduate Is there anything more to forces than being mathematical machinery?
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Undergrad Changing spherical coordinates in a Lagrangian
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Graduate "External" potential energies strike back
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Graduate How to ensure maximum possible joint torque for an actuator?
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Graduate Transformation law of momentum under Galilean transformation
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Graduate A peculiar definition of work on Wikipedia
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Graduate How can I calculate the moment of inertia of any object?
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Undergrad Understanding EMF and Potential Difference in Electrical Circuits
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Undergrad How do we provide centripetal force in this situation?
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Graduate Does a general rotational analogue of CoM work exist?
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Graduate Divergence of a position vector in spherical coordinates
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Undergrad Justify Assumption of Exponential Response to Free Vibration Problem
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Undergrad When Does an Object Experience Only Centripetal Acceleration in Circular Motion?
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Challenge How do you calculate the motion of a ball rolling on a rotating table?
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Undergrad What is the role of Poisson's ratio in determining stress and stiffness?
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High School Clarification of coordinate fictitious forces
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Graduate How can the rotation of galaxies be explained?
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Graduate Seeming Contradiction of Potential
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Undergrad Time Reversal Symmetry in Classical Physics
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Graduate 2-body problem - conservation of angular momentum
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High School Question about a Rotor Ride in a amusement park
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High School Question About Rotational Forces when Lifting Weights
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Graduate Influence of initial shift on undamped frictionless forced oscillations
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High School What is the relationship between mass and weight?
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Shouldn't the water have evaporated by now?
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Graduate A single external force doing work on a system of particles
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Undergrad Can a microscopic insect fly by flapping rigid wings?
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Undergrad 2-d equations of motion for a Slinky going down stairs?
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Undergrad Why don't we consider ordered motion as part of the internal energy of a gas?
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Graduate What force will be felt by ##B## when a rod is rotated?
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Undergrad Understanding physical meaning
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Graduate Does Galilean relativity imply infinite propagation speed?
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High School Sinusoidal force mechanism for a swing
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Undergrad Teeter-Totter Rotation Direction with Different Connections
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Sporting Goods for Outdoor Adventurers
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Undergrad Balancing a teeter-totter problem
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Graduate Oscillation of a boat in still water (Metacenter and Center of Mass)
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Undergrad ABS system on a two-wheeled vehicle - Conservation of Angular Momentun
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High School What happens when the coefficient of friction is 0?
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Undergrad How can generatrices be parallel to the y-axis?
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Graduate Deriving vdW-equation from kinetic theory
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Undergrad A ship stops suddenly - Forces acting on the cargo?
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Undergrad What is the meaning of the free surface in fluid mechanics?
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Undergrad How Much Force Do Your Abs Exert During a Hanging Leg Raise?
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Undergrad Do We Sense the Rotation on a Rapidly Spinning Planet?
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Graduate Derive the equation of effective force on a rotating frame about Earth
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Graduate Modelling assumptions when friction is involved
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Graduate Can We Do Better Than Mechanical Energy Conservation?
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Undergrad Running on the Space Station compared with running on Earth
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Undergrad Why Do My Umbrella Keep Flipping in One-Direction Wind?
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Undergrad How Does Force Distribute Across Protrusions in a Symmetric Object?
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Undergrad Finite rotations and infinitesimal rotations
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Undergrad Viscoty and Surface tension -- depends on the composition of the atmosphere?
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Graduate Is conservation of energy derived from the work energy theorem?
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Graduate Predicting how far an object will fly
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Undergrad What is the kinetic energy when an object reaches escape velocity?
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Undergrad Spinning up a flywheel with a motor
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Undergrad Why is angular momentum conserved here?
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Graduate Meaning of potential energy in external fields
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Undergrad Finding the 'g-force' of a decelerating falling mass.
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Undergrad When unsuccessfully trying to lift a weight, where does my energy go to?
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Graduate Are Tait and Euler angles a complete parametrization of 3D space?
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Undergrad Is it possible to propel a spray can with gunpowder?
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High School Can You Propel Yourself Back on a Chair?
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Graduate Why is the most probable energy different from the speed?
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Graduate Question about accelerator physics
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Undergrad I want to try an experiment related to mechanics -- suggestions please
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Undergrad Simple harmonic motion equations as a function of time
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Graduate How can angular velocity be independent of the choice of origin?
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Graduate Can analytical mechanics be deduced from Newtonian mechanics?
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Undergrad How a rigid body causes a reaction force?
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Direct Echo-Based Measurement of the Speed of Sound - Comments
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Graduate Classical Rotation: Referencing Rotational Motion in Mechanics
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Graduate Mathematical description of a ball hitting a glass plate and causing damage
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Undergrad How is it that momentum is being preserved in a non elastic collision?
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High School Why doesn't atmospheric pressure crush us?
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Graduate Is angular momentum taken about a point or an axis?
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Graduate The Equivalence Principle -- Is this a way to distinguish between a gravitational field and an accelerated rocket?
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Undergrad Conservation of linear and angular momentum
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Undergrad An Alternative Approach to Solving Collision Problems
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Undergrad Compound pendulum experiment to find the acceleration due to gravity
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Undergrad Is calculating the value for momentum rare in practical applications?
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High School Is my elbow the point of application of force of a torque?
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Undergrad Why Isn't Horsepower an SI Unit, Despite Its Popularity?
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Undergrad Moment of inertia (experiment)
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Undergrad Pressure Required to propel something a long distance
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Graduate Curiosity - Relative speeds in relation to the sound barrier?
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Graduate An Alternate Approach to Solving 2-Dimensional Elastic Collisions
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High School Energy changes that result when something drops from a height
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Graduate How Does the Sun's Tidal Effect Influence Earth's Rotation and Moon's Orbit?
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Graduate Effective potential in a central field
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High School Understanding Earth's Spinning Speed: A Simple Explanation
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Graduate Is the rotational KE of a rigid body considered as internal energy?
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Graduate How does water rise along a glass plate? (surface tension question)
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Undergrad A rotating system of two point particles with inner torque
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Undergrad About acceleration and mass....
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Undergrad Spring force after fixating with limited stiffness
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