Question

1. Fill in the blanks.
(a) Distance covered in unit time is called____
(b) The SI unit of speed is_____

2. Which of the following is in motion?
Our school, a boy going to his school, a girl walking in a park, a child crawling on the floor
and a book kept in a rack.

3. Whose speed is more?
(a) A man walking on a road or a running train
(b) A moving car or an aeroplane in flight​

Answer 1

Answer:

1. a.distance

b. m/s

2.a girl,a boy, a child

3.a. running train

b.aeroplane

Answer 2

Answer:

1. (a) Distance covered in unit time is called speed.

(b) The SI unit of speed is metre/second or metre per second .

2. a boy going to his school and a girl walking in a park .