AP Physics 1: Algebra-Based – Part 2: Energy, Momentum, Rotation & SHM

Complete Course Material | 30 Lectures (50 Minutes Each) | GyanAcademy

📋 Course Overview

📚 Detailed Lecture Breakdown

MODULE 1: Work, Energy & Power (Unit 4) (Lectures 1-8)

Lecture 1: Introduction to Work & Energy

• Definition of Work (W = Fd cos θ)
• Work done by constant vs. variable forces
• Positive, negative, and zero work scenarios
• Work-energy connection introduction
• Takeaway: Understanding how forces transfer energy to objects.

Lecture 2: Kinetic Energy & Work-Energy Theorem

• Kinetic Energy formula (KE = ½mv²)
• Work-Energy Theorem (Wnet = ΔKE)
• Solving problems using work-energy approach
• Comparing work-energy to kinematics methods
• Takeaway: Connecting net work to changes in motion energy.

Lecture 3: Potential Energy & Conservative Forces

• Gravitational Potential Energy (PEg = mgh)
• Spring Potential Energy (PEs = ½kx²)
• Conservative vs. Non-conservative forces
• Path independence of conservative forces
• Takeaway: Understanding stored energy in position and configuration.

Lecture 4: Conservation of Mechanical Energy

• Law of Conservation of Energy
• Mechanical Energy (E = KE + PE)
• Solving problems with energy conservation
• Identifying when energy is conserved
• Takeaway: Using energy conservation to solve complex motion problems.

Lecture 5: Energy with Non-Conservative Forces

• Work done by friction and air resistance
• Energy dissipation as heat/thermal energy
• Modified conservation equation (Ei + Wnc = Ef)
• Practice with friction problems
• Takeaway: Accounting for energy loss in real systems.

Lecture 6: Power & Energy Rates

• Definition of Power (P = W/t = Fv)
• Units of Power (Watts, Horsepower)
• Average vs. Instantaneous power
• Practical applications and calculations
• Takeaway: Quantifying the rate of energy transfer.

Lecture 7: Energy Graphs & Analysis

• Position vs. Potential Energy graphs
• Identifying equilibrium points (stable, unstable, neutral)
• Total energy lines and allowed regions
• Interpreting energy bar charts
• Takeaway: Reading and interpreting energy diagrams qualitatively.

Lecture 8: Module 1 Review & Quiz

• Comprehensive review of Work, Energy & Power (Unit 4)
• 15-question quiz (MCQs + Free Response) with detailed solutions
• Self-assessment guide and weak area identification
• Transition to Momentum
• Takeaway: Solidifying energy concepts before studying momentum.

MODULE 2: Linear Momentum & Collisions (Unit 5) (Lectures 9-16)

Lecture 9: Introduction to Momentum & Impulse

• Definition of Momentum (p = mv)
• Impulse definition (J = FΔt = Δp)
• Impulse-Momentum Theorem
• Force-time graphs and area interpretation
• Takeaway: Understanding momentum as quantity of motion.

Lecture 10: Conservation of Linear Momentum

• Law of Conservation of Momentum
• Isolated systems and external forces
• Applying momentum conservation to problems
• Comparing momentum vs. energy conservation
• Takeaway: Using momentum conservation in isolated systems.

Lecture 11: Elastic Collisions

• Definition of elastic collisions (KE conserved)
• Momentum and KE conservation equations
• Solving 1D elastic collision problems
• Special cases (equal masses, one at rest)
• Takeaway: Analyzing collisions where energy is preserved.

Lecture 12: Inelastic Collisions

• Definition of inelastic collisions (KE not conserved)
• Perfectly inelastic collisions (objects stick together)
• Energy loss calculations
• Real-world collision examples
• Takeaway: Analyzing collisions where energy is lost.

Lecture 13: 2D Collisions

• Momentum conservation in two dimensions
• Vector components in collision problems
• Glancing collisions and angles
• Practice with 2D collision scenarios
• Takeaway: Extending momentum analysis to 2D situations.

Lecture 14: Center of Mass

• Definition and calculation of center of mass
• Center of mass motion for systems
• Relationship to momentum conservation
• Irregular objects and continuous distributions
• Takeaway: Understanding system motion through center of mass.

Lecture 15: Momentum Lab Techniques & FRQ Practice

• Experimental design for momentum investigations
• Data collection and analysis methods
• FRQ strategies for momentum questions
• Common pitfalls and scoring criteria
• Takeaway: Applying momentum concepts to lab scenarios and FRQs.

Lecture 16: Module 2 Review & Quiz

• Comprehensive review of Linear Momentum (Unit 5)
• 15-question quiz (MCQs + Free Response) with detailed solutions
• Self-assessment guide and focus areas for continued study
• Transition to Simple Harmonic Motion
• Takeaway: Ensuring mastery of momentum concepts before oscillations.

MODULE 3: Simple Harmonic Motion (Unit 6) (Lectures 17-22)

Lecture 17: Introduction to Oscillations & SHM

• Definition of Simple Harmonic Motion
• Conditions for SHM (restoring force proportional to displacement)
• Key terms: Amplitude, Period, Frequency, Equilibrium
• Examples of SHM in nature
• Takeaway: Understanding the characteristics of oscillatory motion.

Lecture 18: Mass-Spring Systems

• Hooke’s Law review (F = -kx)
• Period of mass-spring system (T = 2π√(m/k))
• Energy in mass-spring systems
• Vertical vs. horizontal spring oscillations
• Takeaway: Analyzing spring-based oscillatory systems.

Lecture 19: Pendulums

• Simple pendulum period (T = 2π√(L/g))
• Physical pendulum introduction
• Factors affecting period (length, gravity, mass)
• Small angle approximation
• Takeaway: Understanding pendulum motion and period dependencies.

Lecture 20: Energy in SHM

• Kinetic and Potential Energy variations in SHM
• Energy conservation in oscillating systems
• Energy vs. Position graphs for SHM
• Maximum velocity and acceleration points
• Takeaway: Connecting energy concepts to oscillatory motion.

Lecture 21: SHM Graphs & Equations

• Position, Velocity, and Acceleration vs. Time graphs
• Phase relationships between graphs
• Sinusoidal equations for SHM
• Reading and interpreting SHM graphs
• Takeaway: Representing SHM mathematically and graphically.

Lecture 22: Module 3 Review & Quiz

• Comprehensive review of Simple Harmonic Motion (Unit 6)
• 15-question quiz (MCQs + Free Response) with detailed solutions
• Self-assessment guide and weak area identification
• Transition to Rotational Motion
• Takeaway: Solidifying oscillation concepts before studying rotation.

MODULE 4: Torque & Rotational Motion (Unit 7) (Lectures 23-30)

Lecture 23: Introduction to Rotational Kinematics

• Angular position, velocity, and acceleration
• Radians vs. Degrees
• Rotational kinematic equations (parallel to linear)
• Converting between linear and angular quantities
• Takeaway: Describing rotational motion using angular variables.

Lecture 24: Torque & Rotational Dynamics

• Definition of Torque (τ = rF sin θ)
• Lever arm and moment arm concepts
• Direction of torque (CW vs. CCW)
• Net torque and rotational equilibrium
• Takeaway: Understanding what causes rotational acceleration.

Lecture 25: Rotational Inertia (Moment of Inertia)

• Definition of Rotational Inertia (I)
• Factors affecting I (mass distribution, axis)
• Common shapes and their moments of inertia
• Parallel axis theorem introduction
• Takeaway: Understanding resistance to rotational acceleration.

Lecture 26: Newton’s 2nd Law for Rotation

• Rotational form: τnet = Iα
• Solving rotational dynamics problems
• Combined translational and rotational motion
• Pulleys with mass considerations
• Takeaway: Applying Newton’s Laws to rotating systems.

Lecture 27: Rotational Kinetic Energy

• Rotational KE formula (KErot = ½Iω²)
• Total KE for rolling objects (KEtrans + KErot)
• Energy conservation with rotation
• Rolling without slipping conditions
• Takeaway: Accounting for rotational energy in conservation problems.

Lecture 28: Angular Momentum & Conservation

• Angular Momentum definition (L = Iω = mvr)
• Conservation of Angular Momentum
• Applications: Ice skaters, diving, planetary motion
• Torque and angular momentum relationship
• Takeaway: Using angular momentum conservation in rotating systems.

Lecture 29: Rotational Lab Skills & Part 2 Review

• Experimental design for rotational investigations
• Data collection and analysis methods
• Comprehensive review of Energy, Momentum, SHM & Rotation
• 15-question quiz with detailed solutions
• Takeaway: Mastering rotational concepts and lab applications.

Lecture 30: Part 2 Comprehensive Test & Review

• Summary of All Part 2 Topics (Units 4-7)
• 30-question Mixed Test (MCQs + Free Response)
• Exam conditions simulation and solution review
• Preview of Part 3: Fluids, Waves, DC Circuits & Final Exam Prep
• Takeaway: Final assessment before advancing to fluids, waves, and circuits.

📝 Part 2 Learning Outcomes

📦 What’s Included in Part 2

• 🎥 30 HD Video Lectures (50 Minutes Each)
• 📄 Lecture Notes PDF (Downloadable, formulas and diagrams)
• ✍️ Practice Problem Sets (200+ calculations with solutions)
• 📊 Module Quizzes (4 quizzes with instant feedback)
• 📝 1 Part-Wise Test (Energy through Rotational Motion)
• 🎯 Formula Sheet (AP Physics 1 Equations)
• 📚 Vocabulary Lists (Key terms for each module)
• 💬 Priority Doubt Support (Email/WhatsApp within 24 hours)
• 📜 Certificate of Completion (Part 2)