Mechanics Forum

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High School Gas Usage in Cars: Effects on Environment
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4K
Undergrad Accelerating motion with a pulley
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10
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2K
High School How do the nozzles on spray bottles work when misting?
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12
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10K
Graduate Non Newtonian / Newtonian Fluid interface
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5
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2K
Undergrad Cavitation in a closed loop pumping system
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9
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5K
High School Can there be any acceleration without mass?
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40
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High School Airplanes Landing & Altitude Problem
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3
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2K
Undergrad How increased mass and drag affect speed
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1
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3K
Undergrad Sled Physics -- trouble understanding this equation
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8
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2K
Undergrad Pressure Drop Across a Change in Diameter
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4
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4K
Undergrad Question about lifting water through a water pipe
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4
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2K
Undergrad How much time to pressure balance two air chambers
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4
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2K
Graduate Plasma ball, energy levels of neon and xenon
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1
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3K
Graduate What is the Usefulness of Reciprocal Space in Classical Physics?
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23
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2K
Undergrad Period of a mass spring system with 2 spring of same K(vert)
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1
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2K
Graduate Profit margin for Solar Chimney projects and land power density?
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25
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3K
Undergrad Equation for Water Flow Over Pipe Circular Hole
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3
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2K
Undergrad Significance of the viscous stress tensor
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15
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2K
High School Testing Accuracy of a 0.25 Water Manometer Using a 10:1 Inclined Mount
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39
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4K
Undergrad Taylor Series Expansion of Quadratic Derivatives: Goldstein Ch. 6, Pg. 240
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11
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3K
High School Is the Law of Conservation of Mass Always Obeyed?
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24
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3K
Undergrad Static friction confusion -- Friction versus the Normal force
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7
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3K
High School Vector Math: Adding, Subtracting & Division
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13
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2K
Undergrad The Physics of Sports Racket Tension
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8
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3K
Undergrad Is the relationship between power, torque and RPM a linear relationship?
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6
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4K
Undergrad Pressure formula and infinitesimal
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3
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2K
Undergrad What does power have to do with the speed calculations of a Train?
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26
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5K
Graduate Measure ionization energy (Hydrogen/Deuterium)
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22
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6K
Undergrad What does a negative potential energy mean?
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3
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2K
Undergrad Unit conversion meters Newtons years seconds
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1
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2K
High School Does the Earth have potential energy?
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1
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1K
Undergrad Outer product of flow velocities in Navier-Stokes equation
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6
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3K
Graduate Calculate iron container acceleration in railgun system on the Moon
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3
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2K
Graduate Pressure gradient in wakes around a cylinder
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13
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2K
High School Sound waves produced by an aircraft
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7
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2K
Undergrad Pressure carrying capacity of a hose
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3
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1K
High School Relationship between counterclockwise and clockwise torque
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4
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3K
Undergrad Is F = m*(v^2/r) true when the orbital speed increases?
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9
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2K
High School Arm-wrestling -- question about forces
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5
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3K
Undergrad Understanding Pressure Drop in Pipes: Causes and Solutions
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2
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2K
Graduate Is acceleration relative in the same way as the speed?
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19
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2K
Undergrad The gyroscope and its ability to avoid "falling down"
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60
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6K
Undergrad How high can an object be ejected out of water?
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18
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2K
High School Tablecloth Trick: Explaining Newton's Laws
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10
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7K
Undergrad Power Equation: Instantaneous vs Average Velocity
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2
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2K
Graduate Fatigue stress concentration factor (Kf)
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3
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2K
Undergrad DIY Vibration Measurement Device for Engineers using Flex Sensors
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3
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2K
Undergrad Is the Faulty Velocity Equation for Projectile Launch Valid?
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12
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2K
Undergrad Why can’t gas support a solid body?
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25
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4K
Undergrad How Can Momentum Be Conserved When Kinetic Energy Is Lost?
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12
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2K
Undergrad Is Work Being Done When a Car Travels at Constant Velocity Against Friction?
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24
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4K
Undergrad Equations to model tennis ball motion
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2
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2K
Undergrad Acceleration of a golf club hitting a ball
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7
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3K
Undergrad Understanding Pressure Losses and Calculation Methods
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6
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1K
Undergrad Find when spring oscillates less than X
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1
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1K
Undergrad Calculating Friction & Air Resistance for a Train Game
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8
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3K
Undergrad Deriving the ionization energy of a hydrogen atom
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3
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5K
Undergrad Displacement of the centre of mass of the Earth
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6
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2K
High School Solving Pressure Equations: P=pgh & Bernoulli's
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2
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47
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4K
Undergrad Where do I find coefficient values for these 2 formulas? (drag coefficients)
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9
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2K
High School What caused the strange water leakage from a sealed jug?
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17
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2K
Undergrad How can I calculate speed based on previous speed?
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2
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1K
Graduate Residual tensile stresses due to high compressive loading
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5
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1K
Undergrad Newton's 3rd law: motorized cart pushes a heavy cart
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25
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3K
Undergrad How can gyroscopes be used to find the angular velocity?
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1
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1K
Undergrad Grass Death Under Power Lines: EMF's a Factor?
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2
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39
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8K
High School Can ultrasound pass through metal?
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6
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7K
High School Understanding Batteries: Anode, Cathode, Electrolyte
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19
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4K
High School Inertia - two objects falling
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4
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2K
Undergrad The coefficient of kinetic friction for a Ford Focus
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6
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2K
High School Why were Newton's laws of motion discovered so late?
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High School How Does Gravity Influence Energy Production in Hydroelectric Generators?
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11
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2K
Undergrad Galileo's Experiment with an Inclined Plane
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4
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2K
Graduate Why is internal energy not a function of pressure?
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6
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3K
Undergrad Force applied to a sphere off center of mass
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6
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4K
Undergrad Circular motion in one or two dimensions
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18
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3K
Undergrad Centripetal Force & Gas Centrifuges
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8
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2K
Undergrad Can gasses be contained with centripetal force?
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11
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3K
Graduate SuperIonic Water: A New Form of Matter?
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6
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2K
Graduate Bernoulli's equation, different streamlines, and wings
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4
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2K
Undergrad Cavendish experiment to determine G
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5
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2K
Undergrad Rate of water flow into an immersed container
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3
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2K
Undergrad Calculating Recoil Forces in Firearms: How to Choose the Right Damper or Spring
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16
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5K
Undergrad Escape Velocity and Centripetal/Centrifugal Acceleration
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7
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3K
Graduate Help me find my error in a relativistic kinetic energy calculation
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9
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3K
Undergrad Is Speed Determined by the Shape of a Positive Curved Time vs Distance Graph?
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10
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2K
Undergrad Problems in Classic Mechanics -- looking for complex problems to work on
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2
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1K
High School Understanding Friction: The Impact of Contact on Object Movement
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9
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1K
Graduate Particle accelerators and Casimir effect
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2
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2K
Undergrad Feynman: Reversible machines, no perpetual motion?
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2
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2K
Graduate Golf ball and Tennis ball turbulence
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7
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4K
Graduate How to simulate a membrane in a (2D) fluid?
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2
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1K
High School How Is the Coefficient of Restitution Linked to Conservation of Energy?
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3
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2K
Graduate Law of the lever without (infinitesimal) displacements
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5
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2K
Undergrad How to Calculate Work for a Time Varying Force?
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12
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3K
High School What happens if you put a drone on hover in a moving car
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11
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5K
Undergrad How long to rotate *One* degree?
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4
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1K
Graduate Precession - why does the rotational axis change as L changes?
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8
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2K
Undergrad Liquid volume loss during pressure test
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6
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3K
Graduate Optimization with Newton's method
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3
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2K