This physics video tutorial explains rotational motion concepts such as angular displacement, velocity, & acceleration as well as torque, moment of inertia, rotational kinetic energy, and the parallel axis theorem. It contains plenty of examples and practice problems including inertia problems with pulleys, inclines, and kinetic friction.

Here is a list of topics:

1. Rotational Dynamics - Introduction / Basic Overview

2. Arc Length of a Circle, Angle Measure in Radians & Radius

3. Converting Degrees to Radians and Radians to Degrees

4. Angular Displacement Formula - Arc Length

5. Angular Velocity / Speed Equation - Rate of Change of Angular Displacement

6. Units of Angular Speed - rad/s or radians per second

7. Angular Speed vs Tangential Velocity

8. Angular Acceleration and Tangential Acceleration Formula

9. Net Acceleration Vector - Tangential Accleration and Radial / Centripetal Acceleration - Nonuniform Circular Motion

10. Frequency - Number of Cycles per Second or Revolutions Per Second

11. Period - The time it takes to make 1 revolution around a circle

12. Frequency & Angular Speed Formula

13. Rotational Kinematic Equations - Initial & Final Angular Speed, Acceleration, Displacement and Time Formulas

14. Calculating Tangential Velocity & Net Acceleration of a Disk Given Period and Frequency

15. How to Determine Linear and Angular Displacement Given Time and Speed in rpm

16. Centrifuge Problem - Rotational Motion

17. Average Angular Velocity vs Instantaneous Angular Velocity

18. Average Angular Acceleration vs Instantaneous Angular Acceleration

19. Rotational Torque, Force, Lever Arm / Moment Arm & Line of Action

20. Positive vs Negative Torque - Clockwise vs Counterclockwise Direction

21. Compound Wheel Problem With Multiple Forces - How to Calculate the Net or Sum of all Torques

22. Seesaw Physics Problem - Multiple Torques & Forces - Lever arm / distance from fulcrum or pivot point

23. Input Force vs Output Force - Simple Machines - Mechanical Advantage - Input arm vs output lever arm

24. Newton's First Law of Motion and Law of Inertia

25. Definition of Inertia - Natural Tendency of an object to resist changes in its state of motion - Resistance to Rotation

26. Inertia of a rod with axis of rotation passing through center, edge, and 1/4 from edge formula

27. Mass vs Acceleration - Newton's Second Law

28. Rotational Equivalent of Newton's Second Law

29. Torque equals Inertia x Angular Acceleration

30. Inertia of a Disk, Rod, and Sphere Formulas

31. Work, Force, and Displacement Equation

32. Rotational Work, Torque, and Angular Displacement Formula

33. Power, Force, Velocity / Speed Equation

34. Rotational Power, Torque, Angular Velocity Formula

35. Average Power vs Instantaneous Power Calculations

36. Work Equals Change in Rotational Kinetic Energy

37. Power Equals Work Divided by time

38. Power - rate of change of energy transfer - 1 watt is 1 joule transferred every second

39. Calculating the inertia of a system of particles or blocks of mass

40. Inertia Formula I=MR^2

41. Parallel Axis Theorem Formula I=Icm+MD^2

42. Inertia of 4 Point Particles of Mass M With Axis of Rotation Through Center of Mass

43. Linear vs Angular Momentum Formula

44. Linear Momentum Equals Inertia times Angular Velocity

45. Force is the rate of change of momentum per unit time

46. Torque is the rate of change of linear momentum per unit time

47. Conservation of Linear Momentum Problems - Turntable & Merry go round problems - inertia and angular speed

48. Sphere vs Block on Incline - Conservation of Energy Problems

49. Gravitational Potential Energy, Translational Kinetic Energy and Rotational Kinetic Energy Equations

50. Block of Mass Attached to Pulley / Disk - Find Acceleration Using Tension Force & Conservation of Energy

51. Frictional Torque, Block of Mass, Pulleys, Disk & Tension

52. Pulley With Mass Attached to a Hanging Mass and Another Mass on a Frictionless Horizontal Surface

53. Pulley / Disk with Radius Attached to 2 hanging mass - find acceleration

54. Incline With Pulley / Circular Disk with Hanging Mass and a Mass on Incline with Coefficient of Kinetic Friction - Determine the acceleration of the system

Tagged under: torque,rotational kinetic energy,moment inertia,pulley,incline,inertia,angular velocity,angular acceleration,physics,problems,friction,rotational motion,parallel axis theorem,angular speed,rotational,dynamics,mechanical advantage,simple machines,arc length,angular displacement,rotational kinematics,tangential velocity,clockwise,counterclockwise,law inertia,work,force,average power,angular momentum,tension force,acceleration,tension,power

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