Derives the minimum angle for a ladder to remain in static equilibrium, using force and torque balance with friction.
Save to open this file
MIT 8.01: Physics I: Classical Mechanics
All
01-Powers of 10, Units, Dimensions, Uncertainties, Scaling Arguments
- 01-Powers of 10, Units, Dimensions, Uncertainties, Scaling Arguments
- 02-1D Kinematics - Speed, Velocity, Acceleration
- 03-Vectors - Dot Products - Cross Products - 3D Kinematics
- 04-3D Kinematics, Free Falling Reference Frames
- 05-Circular Motion, Centripetal Forces, Perceived Gravity
- 06-Newton's Laws
- 07-Weight, Weightlessness in Free Fall, Weight in Orbit
- 08-Friction
- 09-First Exam Review
- 10-Hooke's Law, Springs, Pendulums, Simple Harmonic Motion
- 11-Work, Kinetic & Potential Energy, Gravitation, Conservative Forces
- 12-Air Drag, Resistive Forces, Conservative Forces, Terminal Velocity
- 13-Potential Energy, Derive Simple Harmonic Motion using Energy
- 14-Escape Velocities, Circular Orbits, Bound and Unbound Orbits, Power
- 15-Momentum, Conservation of Momentum, Center of Mass
- 16-Elastic & Inelastic Collisions, Center of Mass Frame of Reference
- 17-Impulse, Rockets
- 18-2nd Exam Review
- 19-Rotating Objects, Moment of Inertia, Rotational KE, Neutron Stars
- 20-Angular Momentum, Torques, Conservation of Angular Momentum
- 21-Torques, Oscillating Bodies, Physical Pendulums
- 22-Kepler's Laws, Elliptical Orbits, Satellites, Orbital Changes
- 23-Doppler Effect, Binary Stars, Neutron Stars & Black Holes
- 24-Rolling Motion, Gyroscopes, VERY NON-INTUITIVE
- 25-Static Equilibrium, Stability, Rope Walker
- 26-Elasticity, Young's Modulus
- 27-Fluid Mechanics, Hydrostatics, Pascal's Principle, Atmosph. Pressure
- 28-Hydrostatics, Archimedes' Principle, Bernoulli's Equation
- 29-Third Exam Review
- 30-Simple Harmonic Motion, Energy Considerations, Torsional Pendulum
- 31-Forced Oscillations, Normal Modes, Resonances, Musical Instruments
- 32-Heat, Thermal Expansion
- 33-Kinetic Gas Theory, Ideal Gas Law, Phase Transitions
- 34-The Wonderful Quantum World, Breakdown of Classical Mechanics
- 35-Farewell Special, My Early Days in Astrophysics, Huge Balloons