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Question
What is motion? Classify different types of motion with examples.
Solution
Motion:
The change of position of an object with respect to time is known as motion.
- Based on Path:
- Linear motion. – Ex.: Parade of the soldiers.
- Curvilinear motion. – Ex.: Paper flight moving.
- Circular motion. – Ex.: Swirling stone tied to the rope.
- Rotatory motion. – Ex.: Rotating top.
- Oscillatory motion. – Ex.: Clock pendulum.
- Zigzag (irregular) motion. – Ex.: Motion of a bee.
- Based on Duration:
- Periodic motion. – Ex.: Motion of a bob of simple Pendulum.
- Non periodic motion. – Ex.: Swaying of the branches of a tree.
- Based on Speed:
- Uniform motion. – Ex.: Elour hand of a clock.
- Non – uniform motion. – Ex.: Motion of a train, as it leaves a station.
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