🔢 Vectors – CET Physics Formula Sheet 📌 Posted by: Sarthak Prakash Patil 📅 Updated: July 2025

📘 What is a Vector?

A vector is a physical quantity that has both magnitude and direction.

Examples: Velocity, Force, Acceleration

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🔹 Basic Vector Formulas

1. Vector Representation:

2. Magnitude of Vector:

3. Unit Vector:

4. Addition of Vectors (Resultant):

 (when angle θ between A and B is known)

5. Subtraction of Vectors:

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🔹 Types of Products

1. Dot Product (Scalar Product):

Result → Scalar

2. Cross Product (Vector Product):

Result → Vector (direction given by right-hand rule)

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🔹 Vector Resolution:

If vector A makes an angle θ with x-axis:

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🧠 Tip for CET:

Remember units and dimensions of vector quantities

Use graphical methods for vector addition

Practice direction-angle based MCQs

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📌 Written by: Sarthak Prakash Patil

🌐 Blog: Sarthak’s Education Corner