Physics · JEE

Important Questions: Static and Kinetic friction, laws of friction, rolling friction for JEE

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The most important Static and Kinetic friction, laws of friction, rolling friction questions for JEE cover conceptual traps, standard results, and numerical patterns from Static and Kinetic friction, laws of friction, rolling friction. Goodmarks provides 8+ high-yield MCQs with full solutions.

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Q1PhysicsUnit 3: Laws of Motion

If a man is walking, then the direction of friction is:

Q2PhysicsUnit 3: Laws of Motion

The coefficient of limiting friction between the surfaces of contact is the ratio of the

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. friction to the normal reaction

Q3PhysicsUnit 3: Laws of Motion

A box is placed on an inclined plane and has to be pushed down. The angle of inclination is :

Q4PhysicsUnit 3: Laws of Motion

Which of the following statements is NOT true for friction force?

Q5PhysicsUnit 3: Laws of Motion

Suppose your writing desk is tilted a little, a book kept on it starts sliding down. The direction of frictional force acting on it is

Q6PhysicsUnit 3: Laws of Motion

The static frictional force is

Q7PhysicsUnit 3: Laws of Motion

Assertion A body on an inclined plane just tends to slide down if the angle of inclination is equal to angle of friction. Reason When the angle of inclination is equal to the angle of friction, the component of weight parallel to the plane is just sufficient to overcome the frictional force.

Q8PhysicsUnit 3: Laws of Motion

The force of friction is normal reaction between the surfaces.

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What makes a Static and Kinetic friction, laws of friction, rolling friction question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Laws of Motion are high-weightage?

Key areas include Static and Kinetic friction, laws of friction, rolling friction. Prioritise these before moving to edge cases.

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Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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