Mechanics Forum

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Calculating Balloon Range and Altitude
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3K
As close to perpetual motion as we might ever get.
2
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77
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Conservation of Energy: Why Does One Planet Moving Violate It?
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3
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Static friction constant and Kinetic friction constant
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Understanding Scalar, Vector and Distance Terms
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Calculating Fluid Friction in a Spiraling Tube of Varying Diameter and Shape
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4
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3K
Newton's 1st Law: Proving Equal Forces Acting on a Box
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9
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Understanding Rocket Motion: Conservation of Momentum and Gravity's Impact
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7
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3K
Is Warp Drive Possible and What Power Would It Require?
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9
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3K
Question about satellites falling 'around' Earth
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11
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6K
Accelerations and rates at a far away point.
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2
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The Physics of Rotation: Why Does It Happen?
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19
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Bernoulli's principle with venturi effect
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What would happen inside a spacecraft with no power?
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3
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Post collision angular and linear and velocities of a rotating sphere
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Why does the water level in a glass flask first decrease and then increase?
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13
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Earth's rotation and geosynchronous satellites
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Chadwick's experiment and proton velocity
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Car Crash Physics: Comparing Head-On Collisions & Relativity
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How Do You Calculate Resulting Velocity Vectors in 3D Collisions?
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3
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Leveraging with opposite forces
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Motion/Rest: Definition & Explanation
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34
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What happens to Newton's 2nd law if there is a changing mass?
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3
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Air pressure dependent water evaporation
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3
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3K
What Could Cause the Atmosphere to Hold More Water?
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8
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Finding Range of the Projectile
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3
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3K
Where Does Ball Lose Contact on Ramp?
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3
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Initial velocity of air from tank
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2
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Doubt regarding constants. Elastic Beam Theory.
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8
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4K
Simple Harmonic Motion with Springs that have Mass
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2
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Water pressure in multiple tanks
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7
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3K
How does force decomposition help us understand the physics of friction?
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4
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9K
Multiple Rotating Masses in Revolution
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4
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Graph of Magnetic Flux for DC Motor from 0-360
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3K
Rotating a marble in a glass tube ?
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15
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Calculating Torque for Rotating Disk on Flat Surface
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8
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17K
How does the rate of change in mass affect the motion of a system?
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4
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3K
Proving rotational motion using Newton's laws
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6
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3K
Resolving the Paradox in Deriving Gravitational Potential Energy Function
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9
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3K
Why is moment of inertia varyiing with the square of the radius?
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1
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5K
Opposing forces but opposite travel = no work?
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4
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2K
What are the central pillars of classical mechanics?
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1
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3K
Bernoulli's principle and the 3rd law of motion
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9
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6K
What Are the Key Differences Between 2D and 1D Projectile Motion?
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5
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How can Newton's Laws be applied to the motion of a bus and a person on it?
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4
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3K
Torque and segmented lever arms
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1
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4K
Potential Inside Cube: What Is the Center's Potential?
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1
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9K
Falling chimney internal torque
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2
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4K
Calculation of angular acceleration (two rotating frames)
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8
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8K
Calculating torque for a bent lever
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5
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9K
Perpetual Motion Balls: Buy & Learn What You Need
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6
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6K
Can the Fosbury Flop Technique Overcome a Wall?
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7
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5K
Find Axle of Rotation for Force on Rocket in Space
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8
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4K
Discovering Vortex Speeds: Calculating f(R) for Fluid Dynamics
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2
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2K
How Does Moment of Inertia Affect Motor Size Requirements?
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3
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4K
What Is the Physical Meaning of Torque Defined as r x F?
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2
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4K
Moment of Inertia: Constant Velocity in Space Without Friction
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7
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3K
Deriving the equations of torque and ang. Momentum from Newton's laws
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22
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6K
Lagranian:Generalized momentum
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4
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5K
Why do golf balls have dimples and cars have smooth surfaces for aerodynamics?
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4
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7K
Conservation of spin, energy and momentum
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30
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8K
Is Stair Climbing Acceleration Dependent on Distance and Time Squared?
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1
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2K
Understanding Conservation and Symmetry in Physics
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7
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4K
Silly collision question; hit by turkey vs. hit by bullet
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5
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3K
Soap Bubble and surface tension
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1
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3K
Is Pressure Directly Proportional to Temperature in Gases?
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3
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Solving for Constant Acceleration and Time in 1D Motion Problem
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Another simple torque question
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1
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Relationship between wave propagation speed frequency
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3
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Optimizing Energy Input for Power Plant Efficiency
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13
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3K
How Does Charge Movement Affect Electric Field Perception in Different Frames?
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1
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Rocket equation exhaust velocity question
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5
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Find Relative SPEED of Image to Object: My Solution
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18
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5K
Power consumption in a rotating system
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2
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How has the weight of our planet changed over time?
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8
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How to calculate fuel to accelerate a vehicle
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2
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Does Eddy Current Braking on Roller Coasters Involve Constant Acceleration?
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4
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2K
Calculating work done by a bicycle
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4
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Here I made a very simple motor
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4
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What is easier to measure, angle or velocity?
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3
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Instantaneous Velocity of a car after letting off the throttle
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12
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How does pressure affect the phase transition from gas to liquid?
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1
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Is the physics concept of tires kinematics or work/energy? Please explain why.?
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2
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3K
Water vapor at approx. 300 degrees Celsius
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7
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6K
Creating a waterfall from a roof slope.
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5
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How do rockets in space works?
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10
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Understanding Torque & Force in Circular Motion
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2
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Relationship between Newtons 1st and 3rd law
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18
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Is My Calculation for Pressure Loss in German Pipework Accurate?
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1
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4K
Ratio of mass moment of inertia to mass
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5
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Why can't we feel the acceleration of the earth?
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11
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16K
What is the Qualitative Definition of Work and Energy in a Closed System?
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10
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Conservation (momentum and ke)
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3
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Object sliding through hollow rotating tube
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2
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3K
Why is speed of sound constant?
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3
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4K
Calculating Power and Instantaneous Power - What's the difference?
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3
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13K
Will the weight of jar changed?
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4
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8K
What is meant by first momentum of energy spectrum (ES)
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12
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3K
Wheel torque > contact patch friction > torque
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1
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4K
Rolling down a slope vs to slide down a slope
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36
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22K

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