Nature and Types of Motion – Distance, Displacement, Speed, Velocity, Acceleration

Grade 10 · Physics

Semester 1 | Period 2 | Week 7

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Subject: Physics

Semester: 1

Period: 2

Week: 7

School Name:

Teacher’s Name:

Subject: Physics

Grade Level: Grade 10

Week & Period: Week 7, Period II

Date:

Sub-topic: Nature and Types of Motion – Distance, Displacement, Speed, Velocity, Acceleration

Learning Objectives:
By the end of this lesson, learners should be able to:

  1. Define motion and identify its types.
  2. Differentiate between distance and displacement.
  3. Define speed, velocity, and acceleration.
  4. Solve basic problems involving speed, velocity, and acceleration.

Instructional Materials:

  • Meter rule, stopwatch, graph sheets
  • Toy car, inclined plane, chalk, meter tapes
  • Simulation videos on motion

Anticipation (Warm-Up):
Ask:

  • “When you walk to school, do you always take the shortest path?”
  • “Why is a car’s speedometer different from how far the car has actually traveled?”

Building Knowledge:

  1. Motion: A change in position of a body with respect to time.
    • Types of Motion:
      Translational (linear)
      b. Rotational
      c. Oscillatory
  2. Distance vs. Displacement:
    • Distance: Total path covered (scalar)
    • Displacement: Shortest path between initial and final position (vector)
  3. Speed and Velocity:
    • Speed = Distance ÷ Time (scalar)
    • Velocity = Displacement ÷ Time (vector)
  4. Acceleration:
    • a = (Final velocity – Initial velocity) ÷ Time

Example 1:
A car moves 120 m in 30 s. Find its speed.
Speed = 120 ÷ 30 = 4 m/s

Example 2:
If a body starts from rest and reaches a velocity of 20 m/s in 4 s, what is its acceleration?
a = (20 – 0)/4 = 5 m/s²

Activities:

  • Measure classroom length with tape and time a toy car
  • Use stopwatch to calculate velocity of learners walking 10 meters
  • Create charts comparing scalar and vector quantities

Assessment:
Oral:

  1. Define displacement.
  2. What is the difference between speed and velocity?

Written:

  1. A car moves 150 m east in 25 s. Find its velocity.
  2. A boy runs 100 m north, then 100 m south. What is his displacement and distance?

Homework:

  1. Define and give one example each of scalar and vector quantities.
  2. Calculate the speed of a train that travels 450 km in 3 hours.
  3. Explain why velocity is considered a vector.

Expanded Notes:

  • Speed tells “how fast” while velocity tells “how fast and in what direction.”
  • Uniform motion means constant speed or velocity.
  • Acceleration occurs when velocity changes over time.

Differentiation:

  • Use visual aids for motion paths
  • Group motion games for kinesthetic learners
  • Extra scaffolding on equations for learners who struggle with math

Teacher’s Reflection:

  • Were learners able to understand motion conceptually and mathematically?
  • Did they confuse distance and displacement?
  • Were they engaged with the experiments and activities?