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Gravitation Practice

Solve chapter-level practice questions for Gravitation with reveal-only solutions and quick revision support.

Practice Test 1

Basic gravitation, free fall, and weight concepts.

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Q1.
What happens to the weight of a body if g becomes smaller?
Q2.
Why do all freely falling bodies accelerate at the same rate in vacuum?
Q3.
Differentiate between mass and weight in one line each.

Practice Test 2

Numericals from pressure and free-fall ideas.

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Q1.
Find the weight of a 6 kg object on earth, taking g = 9.8 m/s^2.
Q2.
A force of 200 N acts on an area of 0.5 m^2. Find the pressure.
Q3.
Why do school bags with broad straps feel more comfortable?

Practice Test 3

Buoyancy and Archimedes' principle revision.

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Q1.
What is buoyant force?
Q2.
State Archimedes' principle.
Q3.
Why does a ship made of iron float while a small iron nail sinks?

Practice Test 4

Mixed revision from gravity to flotation.

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Q1.
Why is the value of g smaller on the moon than on the earth?
Q2.
What is relative density?
Q3.
When does an object float in a liquid?

Quick Q&A Before You Revise

Why do we use mass for amount of matter and weight for gravity?

Because mass belongs to the object itself, while weight depends on the gravitational field acting on that object.

What is the easiest way to remember buoyancy?

Think of fluids pushing upward. If that upward push can balance the object's weight, the object floats.

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