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CBSE Class 9  >  Class 9 Test  >  : Additional Practice  >  Test: Gravitation- Case Based Type Questions - Class 9 MCQ

Gravitation- Case Based Type Questions - Free with solutions Class 9


MCQ Practice Test & Solutions: Test: Gravitation- Case Based Type Questions (10 Questions)

You can prepare effectively for Class 9 Class 9: Additional Practice with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Gravitation- Case Based Type Questions". These 10 questions have been designed by the experts with the latest curriculum of Class 9 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 10

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Test: Gravitation- Case Based Type Questions - Question 1
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Direction: Read the following paragraph and choose the correct options to answer any four questions given below:

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator.

Q. At what place on the earth’s surface is the weight of a body minimum?

Detailed Solution: Question 1

According to Newton’s second law of motion the force acting on the body is the product of the mass of the body and the acceleration by which the body is moving.

In case if a body is at a rest position the force acting on the body is equal to the weight of the body which is acting downward on the body and this is equal to the product of mass of the body and the acceleration due to gravity.

⇒ F = W = Mg

Where, W = weight of the body, M = mass of the body and g = acceleration due to gravity.

Now as we know that the acceleration due to gravity is not the same it is dependent on the latitude. I.e. it is increasing on increasing the latitude and vice-versa.

Now as we know that the latitude is minimum at the equator and maximum at the poles on the surface of the earth.

So the acceleration due to gravity is minimum at the equator and maximum at the poles on the surface of the earth.

Now the weight of the body is directly proportional to the acceleration due to the gravity on the surface of the earth.

So the weight of the body is maximum at the poles and minimum at the equator on the surface of the earth.

So this is the required answer.

Test: Gravitation- Case Based Type Questions - Question 2
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Direction: Read the following paragraph and choose the correct options to answer any four questions given below:

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator.

Q. What is the SI unit of Mass?

Detailed Solution: Question 2

SI unit definition is a unit of measurement that is a universally accepted system used for scientific and technical work all over the world. The kilogram is the SI base unit of mass and is equal to the mass of the international prototype of the kilogram, a platinum-iridium standard that is kept at the International Bureau of Weights and Measures (BIPM).

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Test: Gravitation- Case Based Type Questions - Question 3
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Direction: Read the following paragraph and choose the correct options to answer any four questions given below:

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator.

Q. Which of the following statement is true?

Detailed Solution: Question 3

We know that The value of g is greater at the poles than at the equator

gold weight at poles is Wp = m X gp

gold weight at the equator is We = m X ge

Hence, we can say gold weight at poles is more than gold weight at the equator, Hence, a friend at the equator will not match with the weight of gold bought from a place situated on poles.

Test: Gravitation- Case Based Type Questions - Question 4
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Direction: Read the following paragraph and choose the correct options to answer any four questions given below:

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator.

Q. What is the relation between mass and weight?

Detailed Solution: Question 4

Weight w is the measure of the force of gravity on an object's mass.

While, mass m is the measure of how much matter is present in the object.

Weight is given by w = mg

where, g = acceleration due to gravity.

Test: Gravitation- Case Based Type Questions - Question 5
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Direction: Read the following paragraph and choose the correct options to answer any four questions given below:

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator.

Q. The value of g is greater at the poles than at the equator, so the weight of gold at the equator will be

Detailed Solution: Question 5

We know that the value of g is greater at the poles than at the equator. So the weight of gold at the equator will be less than the weight of gold at the poles. So it is obvious that the friend at equator will not agree with the weight of gold bought at poles.

Test: Gravitation- Case Based Type Questions - Question 6
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Direction: Read the following paragraph and choose the correct options to answer the questions given below:

Seema was standing on a terrace of a building. She dropped a coin and a piece of paper simultaneously from the same height.

Q. Which of the two will touch the ground first?

Detailed Solution: Question 6

The coin will touch the ground first, because the relative air resistance on the paper is greater than on the coin (because the coin and the paper do not have the same density, so the proportion of air resistance as compared to weight is the one relevant on paper than on coin).

Test: Gravitation- Case Based Type Questions - Question 7
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Direction: Read the following paragraph and choose the correct options to answer the questions given below:

Seema was standing on a terrace of a building. She dropped a coin and a piece of paper simultaneously from the same height.

Q. Give reasons for your answer.

Detailed Solution: Question 7

The coin reaches the ground first as compared to the piece of paper because it experiences lesser resistance from air than that felt by paper.

If the coin and the piece of paper are dropped in vacuum, both of them will touch the ground at the same time.

Test: Gravitation- Case Based Type Questions - Question 8
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Direction: Read the following paragraph and choose the correct options to answer the questions given below:

Seema was standing on a terrace of a building. She dropped a coin and a piece of paper simultaneously from the same height.

Q. What will happen if they are dropped in vacuum?

Detailed Solution: Question 8

The acceleration of the object equals the gravitational acceleration. The mass, size, and shape of the object are not a factor in describing the motion of the object. So all objects, regardless of size or shape or weight, free fall with the same acceleration. In a vacuum, a beach ball falls at the same rate as an airliner. Knowing the acceleration, we can determine the velocity and location of any free falling object at any time.

Test: Gravitation- Case Based Type Questions - Question 9
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Direction: Read the following paragraph and choose the correct options to answer the questions given below:

Seema was standing on a terrace of a building. She dropped a coin and a piece of paper simultaneously from the same height.

Q. Which of the following statement is correct?

Detailed Solution: Question 9

In Newton physics, free fall is any motion of a body where gravity is the only force acting upon it. An object moving upwards would not normally be considered to be falling, but if it is subject to the force of gravity only, it is said to be in free fall.

Test: Gravitation- Case Based Type Questions - Question 10
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Direction: Read the following paragraph and choose the correct options to answer the questions given below:

Seema was standing on a terrace of a building. She dropped a coin and a piece of paper simultaneously from the same height.

Q. What is meant by free fall?

Detailed Solution: Question 10

The falling of a body from a height towards the earth under gravitational force is called Free fall. Such a body is called freely falling body. The acceleration of an object falling freely towards the earth does not depend on mass of object. During free fall,heavier as well as light objects accelerate at same rate.

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About this Class 9 Practice Test

This test contains 10 MCQs on Gravitation- Case Based Type Questions with detailed solutions for each question. It is part of the Class 9: Additional Practice course on EduRev, designed to align with the current Class 9 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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