Video Lectures for Physics 121

Physics 121 Lecture Videos


Topic 1: Vectors

Total time: 4:18

Vectors, part 1 (23 minutes)
Vectors, part 2 (22 minutes)
Vectors, part 3 (28 minutes)
Vectors, part 4--Multiplication by a Scalar (13 minutes)
Vectors, part 5--The Dot Product (27 minutes)
Vectors, part 6--The Cross Product (22 minutes)

Sidebar: Mathematical Fundamentals

  • Expressing Vectors in A Coordinate System (15 minutes)
  • The Trigonometric Functions and the Right Triangle (20 minutes)

  • Vectors, part 7--Adding Vector Components (31 minutes)
    Vectors, part 8--Summary: Vector Addition (16 minutes)
    Vectors, part 9--Summary: The Dot Product (17 minutes)
    Vectors, part 10--Summary: The Cross Product (24 minutes)


    Topic 2: Kinematics

    Total time: 2:00

    Kinematics, part 1 (15 minutes)
    Kinematics, part 2 (15 minutes)
    Kinematics, part 3 (14 minutes)
    Kinematics, part 4 (19 minutes)
    Kinematics, part 5 (12 minutes)
    Kinematics, part 6: Special Case: Constant Acceleration (19 minutes)
    Kinematics, part 7: Graphing the Kinematic Functions (25 minutes)


    Topic 3: Types of Forces

    Total time: 2:49

    Weight and Gravity (30 minutes)
    Tension (29 minutes)
    The Normal Force, part 1 (12 minutes)
    The Normal Force, part 2 (24 minutes)
    Friction, part 1 (15 minutes)
    Friction, part 2 (22 minutes)
    Friction, part 3 (14 minutes)
    Friction, part 4 (23 minutes)


    Topic 4: Newton's Laws of Motion

    Total time: 1:25

    Newton's 1st Law (14 minutes)
    Newton's 2nd Law, part 1 (17 minutes)
    Newton's 2nd Law, part 2 (24 minutes)
    Newton's 3rd Law (30 minutes)


    Topic 5: Impulse, Momentum and Conservation of Momentum

    Total time: 2:57

    Momentum, part 1 (15 minutes)
    Momentum, part 2 (17 minutes)
    Momentum, part 3 (18 minutes)
    Momentum, part 4 (21 minutes)
    Momentum, part 5 (18 minutes)
    Momentum, part 6 (20 minutes)
    Impulse, part 1 (15 minutes)
    Impulse, part 2 (25 minutes)
    Impulse, part 3 (28 minutes)

    Topic 6: Linear Dynamics of Extended Systems

    Total time: 2:04

    Extended Objects, part 1 (25 minutes)
    Extended Objects, part 2 (22 minutes)
    Center of Mass, part 1 (16 minutes)
    Center of Mass, part 2 (15 minutes)
    Center of Mass, part 3 (26 minutes)
    Center of Mass, part 4 (20 minutes)

    Topic 7: Rotational Kinematics

    Total time: 1:37

    Rotational Kinematics, part 1 (18 minutes)
    Rotational Kinematics, part 2 (34 minutes)
    Rotational Kinematics, part 3 (11 minutes)
    Rotational Kinematics, part 4 (17 minutes)
    Rotational Kinematics, part 5 (17 minutes)

    Topic 8: Rotational Dynamics

    Total time: 2:20

    Torque, part 1 (15 minutes)
    Torque, part 2a (15 minutes)
    Torque, part 2b (3 minutes)
    Torque, part 3 (7 minutes)
    Torque, part 4 (18 minutes)
    Torque, part 4 (18 minutes)
    Static Equilibrium (34 minutes)

    Topic 9: Angular Momentum

    Total time: 1:04

    Angular Momentum, part 1 (10 minutes)
    Angular Momentum, part 2 (14 minutes)
    Angular Momentum, part 3 (13 minutes)
    Angular Momentum, part 4 (12 minutes)
    Angular Momentum, part 5 (15 minutes)

    Topic 10: Work and Energy

    Total time: 2:19

    Work, part 1 (17 minutes)
    Work, part 2 (16 minutes)
    The Work-Energy Theorem (18 minutes)
    Kinetic Energy, part 1 (13 minutes)
    Kinetic Energy, part 2 (Example) (24 minutes)
    Kinetic Energy, part 3 (Example) (10 minutes)
    The Rotational Work-Energy Theorem, part 1 (15 minutes)
    The Rotational Work-Energy Theorem, part 2 (13 minutes)
    Rotational Work-Energy: Example (13 minutes)

    Topic 11: Conservation of Energy

    Total time: 5:31

    Potential Energy, part 1 (20 minutes)
    Potential Energy, part 2 (13 minutes)
    Potential Energy, part 3 (19 minutes)
    Conservative Forces, part 1 (14 minutes)
    Conservative Forces, part 2 (14 minutes)
    Conservative Forces, part 3 (15 minutes)
    Conservative Forces, part 4 (21 minutes)
    The Spring Force and Hooke's Law (26 minutes)
    Conservation of Energy in the Spring, part 1 (21 minutes)
    Conservation of Energy in the Spring, part 2 (24 minutes)
    Non-Conservative Forces (21 minutes)
    Conservation of Energy Examples 1 (45 minutes)
    Conservation of Energy Examples 2 (21 minutes)
    Conservation of Energy Examples 3 (28 minutes)
    Conservation of Energy Example: Loop-the-Loop (29 minutes)