While teaching the topic on ‘Motion and Time’ to Class VII students, S...
The incorrect example given by Savita is "Motion of the hammer of an electric bell."
While teaching the topic on ‘Motion and Time’ to Class VII students, S...
Understanding Motion
In the context of the examples provided by Savita, it's essential to analyze each scenario to determine which one depicts motion inaccurately.
Correct Examples of Motion
- Motion of a boy sitting in a moving car in relation to the car:
- The boy is in a state of motion relative to an outside observer. However, he is stationary relative to the car, making this a valid example of relative motion.
- Motion of a boy sitting in a merry-go-round:
- The boy experiences circular motion as the merry-go-round spins. This is a clear example of motion and illustrates the concept effectively.
- Motion of a cricket ball hit by a batsman:
- This is a straightforward example of linear motion. The ball moves in a specific direction after being hit, making it a correct representation of motion.
Incorrect Example of Motion
- Motion of the hammer of an electric bell:
- This example is misleading. While the hammer does move, it only does so in a very limited, repetitive manner (back and forth), and its motion is not continuous like the other examples. Its motion is more of an oscillation rather than a typical movement through space, which can confuse students regarding the types of motion.
Conclusion
In summary, while all examples could involve motion, the hammer of an electric bell is not a typical example of motion in comparison to the others. This distinction is crucial for students to understand the various forms of motion accurately.