Mechanics Forum

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Undergrad Changing medium - Standing Mechanical Waves
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3K
High School Why is there water on a cold bottle?
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8
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3K
High School Force Needed to Push 30 Tonne Rubbish in Steel Container
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1
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Graduate Dynamics of a system of particles all influencing eachother
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6
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Graduate Energy conservation of a rod in free space
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3
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Undergrad Gravity vs Inertia: Newton's Law of Gravitation Explained
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12
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High School Calculating Coil Windings in Generators
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2
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Graduate Euler's equation for one-dimensional flow (Landau Lifshitz)
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6
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Undergrad Rotation of Earth and falling objects
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3
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High School Center of Gravity - Laws and Explaination
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17
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Graduate Is stress tensor symmetric in Navier-Stokes Equation?
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2
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Undergrad Acc. due to earth's rotation - Thought Experiment
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7
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Undergrad How is it possible that friction = centripetal force for turns?
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24
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Graduate Understanding Additive Pair Potential in Molecular Dynamics
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1
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High School Calculating Speed of a Rocket Using Mass and Thrust
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6
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2K
Graduate Why incompressible fluid flow is advantageous in numerical computation
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10
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3K
High School Why Are Clockwise Moments Negative and Anti-Clockwise Moments Positive?
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4
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6K
Graduate Gravitational acceleration towards and through an object
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1
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Undergrad Air heavier than water? Will it sink?
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14
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7K
Undergrad Why Is dr/dt=-V in Polar Coordinates?
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3
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8K
Undergrad Tangential acceleration in circular motion
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19
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High School Is a Wall Considered a Rigid or Non-Rigid Body?
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1
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Undergrad Moving retaining pin on 27-ton crane
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7
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Undergrad How Efficient is Hydrogen Energy Conversion?
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11
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2K
High School Help understanding Acceleration
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4
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1K
Undergrad Angular Velocity versus Angular Frequency
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2
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4K
Graduate Spray Nozzles used in the mining processes industry
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2
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2K
Graduate Can I Push the Moon Instantly?
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5
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4K
High School A confusion about the conception of work
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7
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3K
Undergrad RF amplification to power IR LED
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2
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2K
High School Potential Energy of a Pendulum
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4
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High School Why don't we put particle accelerators in a Jet?
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8
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High School Storing energy in a torsion spring
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2
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3K
Graduate (Eulerian) Velocity of an elementary vector
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4
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1K
Graduate How does the vibration of a sphere relate to the pressure field it generates?
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11
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3K
Undergrad Mass of Turbulence: Does Turbulent Fluid Have More Energy?
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2
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Graduate A question about conservation of momentum (Lagrangian)
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13
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3K
High School A question about equations of motion under constant acceleration
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11
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3K
Undergrad Acceleration in conservation of momentum problem
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6
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3K
High School Sound travelling without any disturbances?
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14
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2K
Undergrad Does slimy spit have a spring constant?
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2
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1K
Undergrad Pressure Drop Testing - Too Many Unknowns?
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3
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2K
High School Acceleration perpendicular to gravity?
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7
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Undergrad Understanding pressure in a liquid
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15
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Undergrad Spinning blade - Effort and Force
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6
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6K
Graduate Group velocity of two superimposed sine waves
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8
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Graduate Water Incompressible: The Impact on Metal Balls and Spheres
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5
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3K
High School How does the siphon method work and why does the pipe width matter?
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5
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2K
Undergrad Calculating deformation energy
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3
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Undergrad Nonlinear Dynamics Models for Undergrad Research
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1
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Undergrad Plane on conveyer belt question (with video)
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7
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3K
Graduate Problem with differential/integral definitions
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12
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High School Understanding the Impact of Tensile Force on Objects of Different Lengths
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5
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Undergrad Why does the Pathagorean theorem work for forces?
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8
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5K
Graduate Moment of Inertia vs. Inertia Constant
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5
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28K
Undergrad Transformer for a power supply
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12
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3K
Graduate Energy travels at group velocity and not phase velocity?
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1
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Graduate Two - body collision energy and velocity
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Graduate Derivation in classical mechanics
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3
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Undergrad Variation of gravitational force with calculus
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5
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2K
High School Energy During Motion and Bounce of a Ball
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19
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7K
Undergrad Bicycle Questions: Static Friction & Gear Ratios
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High School Gravitational Field Strength due to a Uniform Rod
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2
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Undergrad What is the Difference Between Critical Damping and Overdamping?
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6
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Undergrad What is the normal acceleration of body in non uniform circular motion
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Undergrad Using sound to determine density
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Graduate Problem finding angular momentum
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4
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Graduate Energy dependence on observer framework
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4
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Graduate Conservation of Momentum and Kinetic Energy in Collisions with Rigid Bodies
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4
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Undergrad Flow Work vs PdV Work: Is PdV Valid for Both Closed & Open Systems?
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5
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Undergrad Ballistic trajectory of a projectile (ballistic loophole)
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Undergrad Concept of Free Fall in question
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5
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Undergrad How long would it take for an apple to fall to the earth
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5
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Graduate Synchrotrons and accelerating particles
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High School Speed reaction and catalys reaction
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2
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Graduate Understanding the General Conservation Principle in Physics
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1
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Undergrad What are the forces acting on the rope in Atwood's machine?
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4
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4K
Undergrad Circular motion vertical force
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5
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High School Is it possible to identify something with sound?
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11
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Undergrad Momentum and torque about different points
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12
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Undergrad How Does the Restoring Force in a Spring Relate to Applied Forces?
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19
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3K
Undergrad I don't understand the ''definition/law'' aspect of Newton's laws
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Undergrad Change in GPE and Ek as object approaches a planet
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Undergrad Rolling Wheel Problem: Will Friction Stop the Constant Velocity?
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29
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Graduate Can conservation of angular momentum cause rotational phase shift?
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4
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Undergrad Motion due to energy/formation of gravity
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1
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Undergrad Earth's Rotation: Air Velocity Explained
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12
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Undergrad Transition from frictionless surface to frictional surface
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23
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Undergrad Spring: K.E. - P.E. relationship; Request shorter procedure
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17
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High School Balloon gets cold when stretched quickly,why?
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3
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Undergrad Fourth Class Levers: Uncovering the Mystery
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2
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Undergrad Is Holding an Object Work in Different Frames of Reference?
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22
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Undergrad Derivation of Kinetic energy formula and energy principle
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5
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High School Throwing two objects vertically upward
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2
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2K
Undergrad Generator Constants: Understanding RLC Circuits in Series and Parallel
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18
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Graduate Hamiltonian for elastic collision
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15
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6K
Undergrad How does external work affect the height of a bowling ball when pushed?
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3
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2K
Undergrad Discovering the Shape of a Bending Plate: Mathematical Proof in 2D Statics
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3
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1K
High School Centripetal vs Radial acceleration
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3
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5K
Graduate Fuids - vorticity from viscocity
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3
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1K