2. Complete Activity 9.2 (Page 102).
• Take a stone.
• Throw it upwards.
• It reaches a certain height and then it starts falling down.
Answer:
Aim: To throw a stone upwards, observe what happens and conclude based on that.
Materials Required: Stone.
Procedure:
(i) Throw the stone upwards and observe what happens.
Observations:
The stone reaches a certain height and starts falling down towards the ground.
Conclusions:
The stone falls freely due to the gravitational force of the earth on it. This type of fall is known as free fall.
“• Take a stone.
• Throw it upwards.
• It reaches a certain height and then it starts falling down.” – Solved.
Related Links:
Solution to Activity 9.1
Solution to Activity 9.2
Solution to Activity 9.3
Solution to Activity 9.4
Solution to Activity 9.5
Solution to Activity 9.6
Solution to Activity 9.7
Solutions to Chapter 9 Gravitation
