Welcome to IRIS Classes Official Channel, the best destination for JEE Advanced 2025, JEE Main 2025, NEET 2025, and MHT-CET Physics Preparation. In this video, Harsh Mishra Sir explains one of the most fundamental and most asked concepts in Mechanics – Projectile Motion, with special focus on velocity components (Vx, Vy), angle of projection, and trajectory analysis.
Projectile Motion forms the foundation of motion in two dimensions. Whether you are preparing for IIT JEE, NEET, or MHT-CET, mastering this chapter is extremely important because it builds problem-solving skills in Kinematics, Dynamics, Energy Conservation, and SHM (Simple Harmonic Motion).
In this lecture, Harsh Mishra Sir explains:
Resolution of velocity into horizontal and vertical components.
Equations of motion for projectiles.
Trajectory of projectile motion using trigonometric analysis.
The concept of time of flight, maximum height, and horizontal range.
Graphical representation of velocity components along the path of projectile.
A deep dive into conceptual clarity, so that students can tackle even the toughest questions in JEE Advanced and NEET Physics.
📌 About this Video
Exam Covered: JEE Advanced 2025, JEE Main 2025, NEET 2025, MHT-CET 2025
Topic: Projectile Motion (Mechanics – Motion in a Plane)
Key Concept: Components of velocity (Vx = Vcosθ, Vy = Vsinθ), angle of projection, trajectory
Teacher: Harsh Mishra (M.Tech, Physics Expert, IRIS Classes)
Target Audience: Students preparing for IIT JEE, NEET, CET, and other competitive exams
🔑 Key Learning Outcomes
Understanding horizontal and vertical velocity components of a projectile.
Deriving the equation of trajectory using basic kinematics.
Learning graphical interpretation of velocity in projectile motion.
Application of trigonometric resolution in mechanics problems.
Building strong basics for advanced mechanics topics like Relative Motion, SHM, and Rotational Dynamics.
Mastering exam-oriented problem-solving skills for JEE and NEET.
📚 Why Projectile Motion is Important for JEE & NEET?
Almost every year, JEE Main & JEE Advanced Physics papers have direct or indirect problems on projectile motion.
NEET Physics also tests projectile motion for conceptual + quick formula-based questions.
Projectile motion is linked with Relative Motion, Newton’s Laws, Work-Energy Theorem, and Circular Motion.
By understanding projectile motion deeply, students can solve advanced mechanics problems with confidence.
📌 Concepts Covered in This Video
Resolution of velocity: Vx = Vcosθ, Vy = Vsinθ
Equations of projectile motion:
Time of Flight: T = (2Vsinθ)/g
Maximum Height: H = (V²sin²θ)/(2g)
Horizontal Range: R = (V²sin2θ)/g
Equation of trajectory: y = x tanθ – (gx²)/(2V²cos²θ)
Symmetry of projectile path: upward and downward motion.
Velocity at any instant: combining Vx and Vy using Pythagoras.
📌 Exam-Oriented Tips
Always resolve velocity into components before applying equations.
Memorize standard formulae for T, H, and R – but also know their derivation.
Use the trajectory equation to solve graph-based projectile questions.
For JEE Advanced, expect multi-concept problems combining projectile with friction, SHM, or relative motion.
For NEET, expect direct formula-based questions with tricky angles.
Projectile Motion Complete Chapter (JEE + NEET)
JEE Advanced 2025 Mechanics Solutions
JEE Main 2025 Physics Important Topics
NEET Physics Complete Revision Series
MHT-CET Physics Quick Formula Revision
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