Mechanics Forum

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Undergrad Four Conceptual Questions as I Teach Myself Physics
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2K
Graduate Total mechanical energy of a point mass in an elliptical orbit
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High School Questions about the amount of force needed to propel 50 pounds 20 feet
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Undergrad Why Does Air Break Up into Swirls Behind a Blunt Body in Fast Motion?
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3K
Undergrad DC Generator: Equations & Graphs
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Undergrad Measuring the pressure of a gas
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High School Is acceleration always positive
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25K
Graduate How can wind stiffness be calculated for a MDOF model using wind speed data?
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2K
High School How is energy converted in a ball rolling down a ramp and triggering a switch?
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3K
High School Seismic sensor and accelerometer
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4K
Graduate How Do You Model the Motion of a Rigid Body Under Eccentric Torque?
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High School Motion: Why we need acceleration?
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Graduate Is This Particle Accelerator Design Effective and Viable?
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3K
Undergrad About friction and elastic collisions
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4
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3K
High School Law of conservation of momentum
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14
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5K
Graduate UWB (Impulse) radar advantages over Pulsed radar
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3
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4K
Undergrad Forces on a cylindrical vacuum chamber
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5K
Undergrad Rigid Body Velocity: Reason & Reciprocity
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10
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3K
High School Understanding Buoyancy: The Role of Object Shape and Archimedes' Principle
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6
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3K
Undergrad Dot product of acceleration and velocity
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3
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12K
Graduate Landau Lifshitz - Total time derivative of the Lagrangian
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4
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5K
Undergrad Determine Lift Motion & Sketch Kinematics Profile w/ Newton's Laws
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8
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3K
Undergrad How does boiling exactly work?
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4
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10K
Undergrad Mastering Parabolic Motion in Online Games: Understanding Physics and Gravity
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12
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4K
Undergrad How to Calculate Impact Height for 40 g's Acceleration
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6K
Graduate Centre of Pressure: Explained and Examined
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2K
Undergrad Rubber compression strength question
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4
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5K
Undergrad Multi-Body Collisions: Solving Complex Interactions
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3K
Undergrad Is T=PV-M the Correct Formula for Calculating Buoyancy in Water?
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4
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2K
Undergrad Understanding Pressure in Liquids
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2K
Undergrad Carbon di oxide emission of filament bulbs
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3K
Undergrad Center of mass and rigidity and torsions
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22
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26K
Undergrad Torques: Find Load on Piers Supporting 700N Girder
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Undergrad Conservation of energy and momentum in collisions
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7K
Undergrad Atmospheric pressure & the vacuum of space
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3
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7K
Undergrad Pushing a trolley (equal and opposite forces)
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3
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5K
High School Pressure theory applied to a Venturi tube
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2K
Undergrad Ridiculously simple Pressure question
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12
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3K
Graduate Can aerodynamic trajectories ever be shaped like this?
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2K
Graduate Scleronomic constraint with explicit time dependence?
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6K
Undergrad Question about acceleration and gravity
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2K
Undergrad Negative Work but Average Force positive in this situation?
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3
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3K
High School Can Reducing Pipe Diameter Increase Water Flow Speed in a Gravity-Fed System?
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Graduate Moment of inertia of system in 3D
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Graduate Calculating Young's Modulus for a Ring Chain of Springs
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Undergrad Distance travelled with constant increasing force
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3K
Graduate Hydrostatic equilibrium in sphere
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4K
Undergrad Pedulum impact problem (tipping a screen over)
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Undergrad Helium Balloon Weight on an Upside-Down Scale
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3K
High School Why are the products of sound wave lengths and frequencies always constant?
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4K
Graduate Using quaternions to perform rotations
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4K
Undergrad How do we prove Simple Harmonic Oscillation in a hanging spring?
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Undergrad Energy conservation for a point at the Earth's surface
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Undergrad How does the enclosed insect-cocoon jump 400 times its own length ?
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3K
Graduate [fluid dynamics] are they trying to use the ideal gas law for LIQUIDS?
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3K
Undergrad What is the formula for velocity and time taken of object falling in water
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High School Two questions on acceleration and an experiment
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1K
Undergrad How I,V,R, and P relate and how Transformers Work?
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3K
High School Did Newton Actually Discover Gravity with an Apple?
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3K
Undergrad What is the force exerted on a paddle in a river in the following situation?
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3K
Graduate Difference between analytical and continuum mechanics?
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Graduate Why is the Harmonic Oscillator so common in physics?
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Graduate Calculating Vapor Pressure of Water with Desolved Solids
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Graduate Energy waves from impact in a solid
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High School Calculate water pressure coming out of a pipe
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Graduate Rigid body kinematics problem: finding the velocity of the center of mass
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High School Interference of Waves in a Pool: Still Surface & Heating Effects
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Undergrad How much HP to spin this ring?
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Graduate Solving Spherical Pendulum w/ Friction & Generalized Force
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Undergrad Which Door Type Uses Less Energy: Hinged or Sliding?
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Undergrad Angular Momentum of Rigid Bodies
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Undergrad Initial Y-Velocity (time unknown) in 2D Game
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Undergrad What Causes a Sphere to Rotate on a Ramp with Negligible Friction?
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High School Why Do Curved Sunglasses Lack Power Despite Their Design?
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2K
Graduate Difference of 1st, 2nd ,3rd principal stretch
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17K
Undergrad MIT open course question. Harmonic oscilators
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12
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3K
Undergrad Could it be possible for an object to bounce for a very long time.
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3K
Undergrad Why Can People Typically Leg Press More Than They Bench Press?
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Undergrad Speed of Sound and Moving Vehicles
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Undergrad How Does Bullet Drop Compare to Gravity in Long Range Shooting?
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Graduate Conservative and non-conservative fields
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Undergrad Work, kinetic energy, potential energy
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Graduate Mechanics: acceleration & curvature relationship
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11
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3K
Undergrad ? on Kin. friction/no friction and mag. of acceleration intuition
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9
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3K
Graduate [fluid dynamics] why are there no shear forces in a fluid at rest?
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8K
High School What Types of Potential Energy Exist Beyond Gravitational?
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Undergrad Understanding Newton's Laws of Motion: Solving a Tricky Equation with Blocks
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Graduate What Would Happen to Earth In This Scenario
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Graduate Confusion about how the momentum is transferred
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Undergrad Rigid Body on Frictionless Surface
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High School Why does a pen fall over when placed on its tip?
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16
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9K
High School Negative Work: What Does it Mean?
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45K
Undergrad Tech Battery Basics: Understanding the Flow of Electrons and Energy
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Graduate Build a Particle Accelerator in Your Garage?
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3K
Graduate Statistical Mechanics - Random Walk
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High School Can Kinematics Equations Be Used for an Entire Projectile Trajectory?
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4
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Undergrad Rotation of Bar: Force, Translation & Equations
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Graduate Nested rotations in a fluid: Implications and Visualization
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Undergrad Free Fall and gravitational field strength
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Undergrad Why do riders hang off a motorbike when cornering?
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7
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