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Gravitation and Fluid Mechanics
Gravitation
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Newton's Law of Gravitation: Gravitational Attraction Between Masses (9:41)
Applying Superposition Principle to Gravitational Forces (3:42)
Why does Free Fall Acceleration Differ From Gravitational Acceleration? (12:20)
How Does Gravity Change Inside The Earth (8:52)
Gravitational Potential Energy (14:18)
Escape Velocity: Kinetic Energy + Gravitational Potential Energy (3:09)
Kepler's Three Laws: How Planets Move in Elliptical Orbits (11:25)
Kinetic and Potential Energy of Satellites (7:47)
Gravitation: MCQs with Detailed Answers and Explanations
Mastering Gravitation: Comprehensive MCQ Quiz
Solved Problems in Gravitation
Gravitational Force on a Central Mass in an Equilateral Triangle (2:27)
Hollow Sphere Gravitational Force Problem (3:06)
Gravitational Attraction by Extended Mass: Rod-Particle Force Derivation with Calculus (2:45)
Escape Velocity and Gravitational Energy on an Asteroid (5:47)
Gravity vs Rotation: Why Neutron Stars Don’t Tear Themselves Apart (3:17)
What Formula Finds the Mass of an Invisible Star from Orbital Data? (4:18)
What Happens When a Satellite Slows Down (5:33)
What Is the Gravitational Potential on the Axis of a Homogeneous Ring? (3:26)
How to Calculate Angular Speed and Escape Velocity in a Two-Star Gravitational System (2:41)
How to Calculate Angular Speed at Perihelion Using Kepler’s Laws and Orbital Radius (2:28)
Why Is the Gravitational Force Zero at the Center of a Complete Circular Ring? (3:39)
How Do You Calculate Maximum Height Above Earth When Gravity Decreases with Distance? (2:36)
Fluid Dynamics
How Does Pressure Change With Depth? (14:32)
How do You Calculate Pressure Using a Manometer? & How Does a Mercury Barometer Work? (6:56)
Why is Pressure Equal Throughout a Fluid in Pascal's Law? (5:01)
Archimedes’ Principle: Why Objects Float or Sink (8:00)
Bernoulli’s Principle (+ How does the Continuity Equation Relate to Bernoulli's Equation)? (14:15)
Fluid Mechanics: Gravitation MCQs with Detailed Answers and Explanations
Mastering Fluid Mechanics: Comprehensive MCQ Quiz
Solved Problems in Fluid Mechanics
Fluid Pressure on Walls – Why Doubling Depth Makes Force Four Times Bigger! (4:49)
Determining Ball Density and Volume (Archimedes' principle) (4:19)
How do you use Pascal’s law to calculate input force in a hydraulic press? (3:37)
Hydrostatic Pressure and Force on a Seal (2:36)
Torricelli’s Law & Tank Drainage: Flow Rate and Jet Contraction Explained (3:19)
How to Calculate the Force on a Submarine Hatch 100 Meters Underwater (2:01)
What Is the Formula for Pump Power Using Flow Rate and Head? (2:28)
How Does a Venturi Meter Work? Deriving the Formula for Flow Velocity (5:20)
Archimedes’ Principle: How to Calculate r_i of a Hollow Sphere from Densities? (2:54)
Archimedes principle applied to a floating cylinder and a ball (3:37)
Oscillations and Simple Harmonic Motion (SHM)
Simple Harmonic Motion: Why is x(t) written as A cos(ωt + φ) in SHM? (14:59)
How to read SHM displacement and velocity graphs? (13:57)
Energy in Simple Harmonic Motion: Kinetic & Potential Energy vs. Time Graphs (22:12)
Simple Harmonic Motion of a Simple Pendulum (9:07)
Energy in Simple Harmonic Motion: Kinetic & Potential Energy vs. Time Graphs
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