Activity 10.2 Class 9 Science Chapter 10 Gravitation
Activity 10.2 Class 9 Science
belongs to Chapter 10 Gravitation Class 9 Science. You will get a
complete solution with an explanation and conclusion. After reading activity 10.2,
you will be able to answer the questions based on the activity.
Activity 10.2 Class 9 Science Gravitation
You are suggested to study NCERT activity 10.2 class 9 science
chapter 10 explanation with a conclusion so that you can attempt questions
based on activity 10.2 class 9 science.
Activity 10.2 Class 9 Science
· Take a stone.
· Throw it upwards.
· It reaches a certain height and
then it starts falling down.
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| Free fall under gravity activity 10.2 Class 9 Sciecne |
Observation Activity 10.2 Class 9 Science Gravitation
The stone goes upward and at a certain
height, it starts falling down towards the earth.
Explanation Activity 10.2 Class 9 Science Gravitation
When a stone is thrown upward, it goes away from the gravitational pull of the earth so
there is uniform retardation in the upward direction. At this time the
acceleration of stone is decreasing at a constant rate of 9.8m/s2. It
means acceleration is due to gravity – 9.8 m/s2.
At a certain height, the velocity of the stone reduces to zero. Now the stone
moves downward with an acceleration of 9.8m/s2.
Conclusion Activity 10.2 Class 9 Science Gravitation
Activity 10.2 class 9 science explains the gravitational pull of the earth and the free fall of objects.
Frequently asked questions
1.
What do you mean by free fall?
Ans. When an object falls towards
the earth under the influence of force only, then the object is in free fall.
2.
What do you mean by the acceleration due to gravity?
Ans.- The acceleration with which an object falls freely towards the earth is
known as acceleration due to gravity.
Related Topics for you
1.
Activity 10.3 Class 9 Science
2.
Activity 10.1 Class 9 Science
3.
Solution of chapter 10
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