## Science cbse sample papers for class 9

This page consists of Science cbse sample papers for class 9.  A downloadable copy of this page is also available at the bottom of the page.  So all the best for your exams. If you like the content do not forget to like share or comment at the section given below. you will find extra resource links (science study material) at the end of the … Continue reading Science cbse sample papers for class 9 »

## NCERT book Solutions class-9 Gravitation (Part 2)

Question 12
Gravitational force on the surface of the moon is only 1/6 as strong as gravitational force on the earth. What is the weight in newtons of a 10 kg object on the moon and on the earth?

## NCERT book Solutions class-9 Gravitation (Part 1)

Question 1

How does the force of gravitation between two objects change when the distance between them is reduced to half ?

According to Universal Law of gravitation , the gravitational force of attrection between any two objects of mass

## Work and energy 9th class important questions

1) What is the work done by a force equal to?
2. Name two factors on which kinetic energy depends.
3. What is the commercial unit of energy?
4. Relate 1 kWh with joule.
5. State the law of conservation of energy.
6. Why do we say work done against gravity is negative?
7. What is average power?

## CBSE class 9 important questions on force

These are CBSE class 9 important questions on force. It is important to practice questions when you finished learning your concepts. It is important from the point of view of your exams. So go ahead and practice these questions . A downloadable file is also available for these questions at the end of the article.

## Class 9 term 2 science practice test papers

Given below are the practice test papers for class 9 science term two exams. you can download and practice them. If you like them do tell us in the comment section below the post