Two block of masses 7 kg and 5 kg are placed in contact with each other on a smooth surface. I

Name: Problem 95, Chapter 6: Master Resource Book in JEE Main Physics
Uploaded: 2022-02-25T15:48:42-08:00
Duration: 1 min 1 s
Channel: Raj Bala
Description: Two block of masses 7 kg and 5 kg are placed in contact with each other on a smooth surface. If a force of 6 N is applied on a heavier mass the force on the lighter mass is (a) 3.5 N (b) 2.5 N (c) 7 N (d) 5 N

step 1 Hello everyone, two blocks of mass 4 KG and 6 KG are placed in contact with each other on a fric

Question

Two block of masses $7 \mathrm{~kg}$ and $5 \mathrm{~kg}$ are placed in contact with each other on a smooth surface. If a force of $6 \mathrm{~N}$ is applied on a heavier mass the force on the lighter mass is (a) $3.5 \mathrm{~N}$ (b) $2.5 \mathrm{~N}$ (c) $7 \mathrm{~N}$ (d) $5 \mathrm{~N}$

   Two block of masses $7 \mathrm{~kg}$ and $5 \mathrm{~kg}$ are placed in contact with each other on a smooth surface. If a force of $6 \mathrm{~N}$ is applied on a heavier mass the force on the lighter mass is
(a) $3.5 \mathrm{~N}$
(b) $2.5 \mathrm{~N}$
(c) $7 \mathrm{~N}$
(d) $5 \mathrm{~N}$

Master Resource Book in JEE Main Physics

D. B. Singh 1st Edition

Chapter 6, Problem 95

Instant Answer

Solved by Expert Raj Bala

02/25/2022

Step 1

Step 1: Since the force is applied on the heavier mass, both blocks will move together as a single system. Show more…

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Two block of masses $7 \mathrm{~kg}$ and $5 \mathrm{~kg}$ are placed in contact with each other on a smooth surface. If a force of $6 \mathrm{~N}$ is applied on a heavier mass the force on the lighter mass is (a) $3.5 \mathrm{~N}$ (b) $2.5 \mathrm{~N}$ (c) $7 \mathrm{~N}$ (d) $5 \mathrm{~N}$

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Key Concepts

Contact Force

The contact force is the internal force that arises between objects in contact due to an externally applied force. This force ensures that the objects accelerate together; it can be calculated by multiplying the mass of an individual object by the common acceleration of the system.

Newton's Second Law of Motion

Newton's Second Law states that the net force acting on an object is equal to the product of its mass and acceleration (F = ma). This fundamental principle allows us to determine the acceleration of both individual objects and systems of objects when a known force is applied.

Systems of Particles

When multiple objects are in contact and move together, they can be considered as a single system. The overall acceleration is found by dividing the total external force by the combined mass of the objects, which is then used to analyze the forces acting on the individual components within the system.

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