(B) For a system of two masses $m_1$ and $m_2$ hanging over a frictionless pulley,the acceleration $a$ is given by the formula:$a = \left( \frac{m_2 -

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(B) For a system of two masses $m_1$ and $m_2$ hanging over a frictionless pulley,the acceleration $a$ is given by the formula:$a = \left( \frac{m_2 - m_1}{m_2 + m_1} \right) g$Given $m_1 = 3\,kg$,$m_2 = 7\,kg$,and $g = 10\,m/s^2$:$a = \left( \frac{7 - 3}{7 + 3} \right) \times 10$$a = \left( \frac{4}{10} \right) \times 10$$a = 4\,m/s^2$

Class 11 Physics Newton's Laws of Motion and Friction Tension Force and Pulley Block System

Medium

Two masses $m_1 = 3\,kg$ and $m_2 = 7\,kg$ are tied to a string and are hanging over a light frictionless pulley. What is the acceleration of the masses when the system is free to move (in $,m/s^2$)? $[g = 10\,m/s^2]$

A
$3$
B
$4$
C
$7$
D
$10$

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Class 11 Questions

Class 11

Physics Questions

Chapter

Newton's Laws of Motion and Friction

Subtopic

Tension Force and Pulley Block System

In the figure shown,both blocks are released from rest. Find the time taken for them to cross each other. (Assume $g = 10 \ m/s^2$)

Difficult

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$250 \; N$ force is required to raise a $75 \; kg$ mass using a pulley system. If the rope is pulled by $12 \; m$ and the load is lifted by $3 \; m$,the efficiency of the pulley system will be ......$\%$

MediumAIPMT 2001

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For the given system,the acceleration of the system is ........... $m/s^2$.

Difficult

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$A$ rope of length $5\,m$ is kept on a frictionless surface and a force of $5\,N$ is applied to one of its ends. Find the tension in the rope at $1\,m$ from this end.

Medium

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$A$ weight $W$ can be hung in any of the following four ways by a string of the same type. In which case is the string most likely to break?

Medium

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Two masses $m_1 = 3\,kg$ and $m_2 = 7\,kg$ are tied to a string and are hanging over a light frictionless pulley. What is the acceleration of the masses when the system is free to move (in $,m/s^2$)? $[g = 10\,m/s^2]$

Similar Questions

In the figure shown,both blocks are released from rest. Find the time taken for them to cross each other. (Assume $g = 10 \ m/s^2$)

$250 \; N$ force is required to raise a $75 \; kg$ mass using a pulley system. If the rope is pulled by $12 \; m$ and the load is lifted by $3 \; m$,the efficiency of the pulley system will be ......$\%$

For the given system,the acceleration of the system is ........... $m/s^2$.

$A$ rope of length $5\,m$ is kept on a frictionless surface and a force of $5\,N$ is applied to one of its ends. Find the tension in the rope at $1\,m$ from this end.

$A$ weight $W$ can be hung in any of the following four ways by a string of the same type. In which case is the string most likely to break?

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