Class 9 Physics – Motion (Exam Ready Notes)
Definitions
Motion: Change in position with time
Distance: Total path covered
Displacement: Shortest distance with direction
Formulas
Speed = Distance / Time
Velocity = Displacement / Time
Acceleration = Change in velocity / Time
Distance-Time Graph
Uniform Motion
Velocity-Time Graph
Constant Velocity
Important Questions
1. Define motion
2. Difference between distance and displacement
3. What is uniform motion?
4. Define acceleration
Definitions
Motion: Change in position with time
Distance: Total path covered
Displacement: Shortest distance with direction
Formulas
Speed = Distance / Time
Velocity = Displacement / Time
Acceleration = Change in velocity / Time
Distance-Time Graph
Uniform Motion
Velocity-Time Graph
Constant Velocity
Important Questions
1. Define motion
2. Difference between distance and displacement
3. What is uniform motion?
4. Define acceleration