Physics · JEE

Law of conservation of linear momentum and its applications, equilibrium of concurrent forces Revision for JEE

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Revise Law of conservation of linear momentum and its applications, equilibrium of concurrent forces by covering every subtopic once, drilling formulas, then solving 11+ timed MCQs with full solutions.

Use this Law of conservation of linear momentum and its applications, equilibrium of concurrent forces revision checklist before mocks and the final exam. Reinforce concepts with 11+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

1.Core idea: Law of conservation of linear momentum and its applications, equilibrium of concurrent forces
2.Relates to other subtopics in Laws of Motion
3.Newton's three laws and impulse-momentum theorem
4.Static and kinetic friction, rolling friction
5.Master Law of conservation of linear momentum and its applications, equilibrium of concurrent forces definitions and standard results
6.Solve 20 timed MCQs for Law of conservation of linear momentum and its applications, equilibrium of concurrent forces

Syllabus context

Part of Laws of Motion in JEE Main Physics.

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Q1PhysicsUnit 3: Laws of Motion

A machine gun fires a bullet of mass

65 g

with a velocity of

1300 m / s

. The man holding it can exert a maximum force of

169 N

on the gun. The number of bullets he can fire per second will be

Q2PhysicsUnit 3: Laws of Motion

Two bodies

A

and

B

, moving in the same direction collide and after collision, move with the common velocity in the direction of

\mathbf{A}

Q3PhysicsUnit 3: Laws of Motion

A machine gun fires 10 bullets/s, each of mass

10 g

, the speed of each bullet is

20 c m / s,

then force of recoil is

Q4PhysicsUnit 3: Laws of Motion

A particle of mass

m

moving with a velocity

(3 \hat{i}+2 \hat{j}) m s^{-1}

collides with another body of mass

M

and finally moves with velocity

(-2 \hat{i}+\hat{j}) m s^{-1} .

Then during the collision: This question has multiple correct options

Q5PhysicsUnit 3: Laws of Motion

A Diwali rocket is ejecting

0.05 k g

of gases per second at a velocity of

400 m s^{-1} .

The repulsive force on the rocket is

Q6PhysicsUnit 3: Laws of Motion

A student initially at rest on a frictionless frozen pond throws a

2 \mathrm{kg}

hammer in one direction. After the throw, the hammer moves off in one direction while the student moves in the other direction.Then:

Q7PhysicsUnit 3: Laws of Motion

A body subjected to three concurrent forces is found to be in equilibrium. The resultant of any two forces then will be

Q8PhysicsUnit 3: Laws of Motion

Bullets of mass

40 g

each are fired from a machine gun with a velocity of

10^{3} m / s .

If the person firing the bullets experience an average force of

200 N

then the number of bullets fired per minute will be:

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How should I revise Law of conservation of linear momentum and its applications, equilibrium of concurrent forces before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

Revision checklist

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