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 35+ high-yield MCQs with full solutions.

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Syllabus context

Part of Laws of Motion in JEE Main Physics.

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Q1PhysicsUnit 3: Laws of Motion

Kabaddi players rub their hands with soil so that they can:

Q2PhysicsUnit 3: Laws of Motion

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

Q3PhysicsUnit 3: Laws of Motion

The frictional force exerted by fluids is called:

Q4PhysicsUnit 3: Laws of Motion

It is easier to roll a barrel full of coal tar than to pull it because

Q5PhysicsUnit 3: Laws of Motion

Block A mass 2 kg is placed over a block B mass 8 kg. The combination is placed on a rough horizontal surface. If

\mathrm{g}=10 \mathrm{ms}^{-2}

coefficient offiction between

\mathbf{B}

and floor

=0.5,

coefficient offfiction betweenA and

\mathrm{B}=0.4

and a horizontal force on

10 \mathrm{N}

is placed of8

\mathrm{kg}

block, then the force friction between

A

and B is:

Q6PhysicsUnit 3: Laws of Motion

A block B of mass

4 \mathrm{kg}

is placed on a rough horizontal plane. A time dependent horizontal plane. A time dependent horizontal force

\boldsymbol{f}=\boldsymbol{k} \boldsymbol{t}^{2}

acts on the block,

k=2 N / s^{2} .

The frictional force between the block and the plane at

\boldsymbol{t}=2 \sec

\boldsymbol{\mu}=\mathbf{0 . 2}

Q7PhysicsUnit 3: Laws of Motion

Two blocks of mass 5 kg and 10 kg are kept on a rough horizontal surface as shown in figure A force

F

is applied on upper block of mass 10 kg Now choose the correct statement(s) regarding the system This question has multiple correct options

Q8PhysicsUnit 3: Laws of Motion

Fill in the blanks Dynamic Fluid friction is the sliding friction of solids.

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Frequently asked questions

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.

How many important questions should I revise?

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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