Mechanics Forum

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Graduate Impulse on a water bag being dropped
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Graduate Are Newton's laws also an approximation?
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Undergrad Understanding Buoyancy: Calculating Pressure and Buoyant Force in Fluids
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Undergrad Deflection and oscillations in a homemade microgram balance.
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High School Constant Acceleration Downwards
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Graduate Explaining gyroscopic precession with linear vectors?
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Undergrad Why does the wave equation support wave motion?
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Undergrad Do pseudo vectors have anything to do with motion?
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Undergrad Question about gravitational potential energy
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Undergrad Work done by gas in adiabatic process
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Undergrad Moment of intertia of a cuboid
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Undergrad Understanding Pulleys, Strings, and Tensions: Common Doubts and Clarifications
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High School How to measure speed without knowing the distance?
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4K
High School Why can't gravity be modeled as a frictional force?
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Undergrad What If the Universal Gravitational Constant Changed?
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Undergrad Understanding Inertia: The Science Behind Paused Physical Systems
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Graduate Gravity in the x, y and z directions
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Graduate Atmospheric railway versus conventional railway
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2K
Undergrad Force on a massless inextensible string passing around a pulley
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9
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5K
Graduate Need Help with Calculating Quaternion Derivatives for Rigid Body Dynamics?
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10
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9K
Undergrad What Is the Maximum Possible Lift Achievable with a Vacuum Pump?
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4K
Graduate Chemical potential and fixed number of particles
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3K
High School Doubt in uniform circular motion
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Graduate How Do Nuclear Generators Convert Energy to Rocket Acceleration?
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Graduate Physics of Nip Rollers: Understanding Force & Torque
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Undergrad Does Bernoulli's Principle Predict Pressure Drop in Constricted Pipe Flow?
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3K
Graduate About potential energy and matter-antimatter creation
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Graduate Collision of undivisible particles
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1K
Undergrad Calculate Nip Roller Torque for T1=10 lbs and T2=20 lbs
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3K
Graduate Potential difference across an inductor
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Undergrad Increase moment of inertia, slipping down an incline
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High School Rearrangement of spring equations not making sense
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Undergrad Need help figuring out velocity of a venting gas
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6
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5K
Graduate Radar as range detector between cars-static sender vs dynamic sender
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High School Calculating Air Volume for a 1000 lbs Boat Floatation
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Undergrad Increased mass (inertia) affect on wind drag
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4K
Undergrad Help Tyler with 50M Joules - What Can It Do?
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Undergrad Understanding the Wedge Symbol in an Equation
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Undergrad Understanding the Work Needed to Escape a Gravitational Pull
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4
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Undergrad Degradation of Steel Due to Punctures
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Undergrad Energy used cycling on flat surface/hills
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5K
Graduate If a plane has more than 2 principal axes ?
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Undergrad Increasing Soundwave strength w/o affecting its characteristics?
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Undergrad Barrel roll with/without slipping
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High School Difference between Impulse and Momentum
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7
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37K
Undergrad What Makes Torque Fundamental in Physics?
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4
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2K
Undergrad Help With Circular Motion Doubts
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5
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Undergrad Direction of Friction for Rolling Motion
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7
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4K
Graduate Stress around Fulcrum - How to Justify Net Momentum?
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Undergrad Understanding Motor Driven Rollers & Tension Zones
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Undergrad Calculate pressure of pumped liquid
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12
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Undergrad What is the relationship between torque and angular momentum?
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Undergrad Can you speed up Earth's rotation by spinning?
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Undergrad Roller coasters: would we fall out without restraints?
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High School Very basic phisics, hydraulics and weights, wrong diagram?
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4
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2K
Undergrad Momentum and energy in a collision
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High School Understanding Rifling: How Does it Work?
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Undergrad Conservation of Mass Principle applied to Refrigerators
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Undergrad Derivation of Newton's Law of Universal Gravitation
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Graduate Why does the Lagrangian have negative potential energy?
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High School Calculating the force of applied by a vise jaw
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Graduate Velocity of spring mass system with spring mass
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Undergrad Linear force of a syringe pump plunger
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7K
High School Why don't objects with greater mass fall faster?
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Graduate Does Density Affect Sound Velocity in Condensed Matter?
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Undergrad Gravitational Potential inside a mass
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Graduate Strength of cylinder as function of internal pressure
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High School Basic question regarding gravitational acceleration
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Graduate Rationale for Conservation of Energy
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High School What creates a partial vacuum when a fan is in motion?
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High School How to calculate pressure inside an internal combustion cannon
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High School Is uniform circular motion perpetual?
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High School Why is it possible to ride a bike?
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Undergrad How Does Topspin Affect Tennis Ball Trajectory?
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Undergrad What does the slope of a velocity vs time squared graph represent?
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Undergrad Confusion regarding the concept of acceleration along a component
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Undergrad What is the downward force on a drawbridge at different angles?
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Undergrad Looking for a clear distinction between laws and kinematics
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Graduate Punching Bag Physics: Solving for Impact Force and Acceleration
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Undergrad Weight/Strength of aluminum versus plastics
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Graduate How can you guess solutions of parametric resonance equation?
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Undergrad Realistic acceleration (in g's) check?
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Undergrad What would be the limitations on an AC unit that worked like this?
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Graduate What Constitutes a Valid Path for Least Action?
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Undergrad Birds in a truck - I'm not getting it
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Undergrad Can Someone Explain the Calculation of Work Done by Gas Expansion?
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Graduate Deriving Hamilton's Equations from Conservation of Energy
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Undergrad How can a conductive surface be held at a desired potential?
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High School Kinematics displacement question
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Graduate Kinetic Inductance: Combining Self-Inductance & Kinetic
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Undergrad Breaking through a concrete wall easily
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Graduate Nonzero net force involving no displacement. Is this accurate?
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Undergrad Is Weight Training More Efficient Than Running for Burning Calories?
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Undergrad Hooke's Law of a spring with a mass
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6K
Graduate Positron Generator: Create Anti-Particles & 100% E=MC2?
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3
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High School Speed = Distance/Time: Explained
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Graduate Position-time equation from force-position equation
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Undergrad Smaller diameter pressure outlet to increase force?
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Undergrad What is consumed when an object falls down ?
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High School When you drop a ball from above, why doesn't it drill through earth?
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