You can find multiple-choice questions (MCQs) for Class 9 Science Chapter 9 Gravitation with answers below. These MCQs are specifically designed for students studying in Class 9 and follow the CBSE board curriculum. They align with the latest syllabus provided for Class 9 science. By attempting these MCQs, students can efficiently revise the concepts discussed in the chapter and effectively prepare for their Class 9 Annual examinations.
Previously – Force and Laws of Motion Class 9 Science MCQ
Check Science Class 9 – Class 9 Science MCQ chapterwise with Answers
Gravitation Class 9 Science MCQ
Q.1. The gravitational force between two objects is directly proportional to their masses and inversely proportional to the square of the distance between their centers. This statement is known as:
a) Newton’s Second Law
b) Archimedes’ Principle
c) Universal Law of Gravitation
d) Free Fall
Answer
Q.2. Â The Universal Law of Gravitation is important because:
a) It explains the motion of objects in free fall
b) It determines the weight of an object
c) It explains the motion of planets around the Sun
d) All of the above
Answer
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Q.3. The value of acceleration due to gravity (g) can be calculated using the formula:
a) g = F/m
b) g = F*d
c) g = G*Mm/R^2
d) g = m*a
Answer
Q.4. Objects fall towards the Earth due to:
a) Mass
b) Weight
c) Gravity
d) Buoyancy
Answer
Q.5. Mass is:
a) The weight of an object
b) The amount of matter in an object
c) The force exerted on an object due to gravity
d) The same as weight
Answer
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Q.6. Weight is:
a) The amount of matter in an object
b) The force exerted on an object due to gravity
c) The same as mass
d) The force exerted on an object due to buoyancy
Answer
Q.7. The weight of an object on the Moon is approximately:
a) The same as its weight on Earth
b) Half of its weight on Earth
c) One-fourth of its weight on Earth
d) Zero
Answer
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Q.8. Pressure in fluids depends on:
a) The depth of the fluid
b) The density of the fluid
c) The gravitational force acting on the fluid
d) All of the above
Answer
Q.9. Buoyancy is the upward force exerted on an object submerged in a fluid. This force is due to:
a) Gravity
b) Archimedes’ Principle
c) Thrust
d) Pressure
Answer
Q. 10. Objects float or sink when placed on the surface of water due to:
a) The object’s weight
b) Buoyant force
c) Density of the object
d) All of the above
Answer
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