Chapter 1: Vectors
Physics Notes - Grade 11
Introduction to Vectors
• • A vector is a quantity that has both
magnitude and direction.
• • Examples: Displacement, Velocity,
Acceleration, Force.
• • Represented by arrows where length
indicates magnitude and arrowhead shows
direction.
Types of Vectors
• • Zero Vector: Magnitude is zero, no specific
direction.
• • Unit Vector: Magnitude is one, shows
direction only.
• • Position Vector: Describes the position of a
point relative to an origin.
• • Equal Vectors: Same magnitude and
direction.
Vector Addition and Subtraction
• • Triangle Law: Place tail of one vector at head
of another.
• • Parallelogram Law: Vectors originate from
the same point.
• • Vector Subtraction: Addition of a negative
vector.
Resolution of Vectors
• • Breaking a vector into perpendicular
components.
• • Horizontal (x) and Vertical (y) components.
• • Using trigonometry:
• - Vx = V cos(θ)
• - Vy = V sin(θ)
Applications of Vectors
• • Navigation: Determining direction and
speed.
• • Physics: Analyzing forces and motion.
• • Engineering: Design and analysis of
structures.

Remedial Physics_JU_ET_Chapter_1_Vectors

  • 1.
  • 2.
    Introduction to Vectors •• A vector is a quantity that has both magnitude and direction. • • Examples: Displacement, Velocity, Acceleration, Force. • • Represented by arrows where length indicates magnitude and arrowhead shows direction.
  • 3.
    Types of Vectors •• Zero Vector: Magnitude is zero, no specific direction. • • Unit Vector: Magnitude is one, shows direction only. • • Position Vector: Describes the position of a point relative to an origin. • • Equal Vectors: Same magnitude and direction.
  • 4.
    Vector Addition andSubtraction • • Triangle Law: Place tail of one vector at head of another. • • Parallelogram Law: Vectors originate from the same point. • • Vector Subtraction: Addition of a negative vector.
  • 5.
    Resolution of Vectors •• Breaking a vector into perpendicular components. • • Horizontal (x) and Vertical (y) components. • • Using trigonometry: • - Vx = V cos(θ) • - Vy = V sin(θ)
  • 6.
    Applications of Vectors •• Navigation: Determining direction and speed. • • Physics: Analyzing forces and motion. • • Engineering: Design and analysis of structures.