Question

1. How does measurement help us in our day-to-day life?
2. Which type of watch is used to measure time intervals in a 200 m
in a 200 metre race
3. When do we consider an object to be in motion?
4. Name three different types of motions and give one example of each
5. State the difference between a periodic and a 'non-periodic' motion
E. Answer the following questions.​

Answer 1

Answer:

1)the measurements is very useful in our day to day life . in such a way in cooking: adding water, adding salt,but these are not a perfect measurements .

2)I think the stopwatch is used to measure Time interval in 200 meter race

3)we consider object is moving when the position of an object is changing from one place to another.

4) oscillation motion, uniform linear motion,non uniform linear motion

5)-