Question

A. Fill in the blanks.
1.
change its position
An object is said to be at rest if it
with time.
2.
The SI unit of time is
3.
A child, sitting in a revolving giant wheel, is an example of a
motion.
A car, moving on a busy straight road, is an example of
motion.
5.
The speedometer of a motorbike measures its speed in​

Answer 1

Answer:

1. When an object change its position with time ,it is said to be in motion.

2. When an object does not change its position with time ,it is said to be at rest.

3. The SI unit of time is 'second'

4. A child, sitting in a revolving giant wheel, is an example of a - Rotatory motion.

5. A car, moving on a busy straight road, is an example of - Rectilinear motion.

6. The speedometer of a motorbike measures its speed in - kmph ( kilometre per hour)

Explanation:

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