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Motion Of Blocks When Connected With String MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

Quick Facts

  • Motion of blocks when connected with string is considered one of the most asked concept.

  • 4 Questions around this concept.

Solve by difficulty

A block of mass M  is pulled along a horizontal frictionless surface by a rope of mass m. If a force F is applied at the free end of the rope, the force  exerted by the rope on the block is:

In the given figure, three blocks are connected by masses cords. Masses of the block are  \mathrm{m, 3 m}  and \mathrm{5 m}  and they are pulled by a force  \mathrm{F} on a frictionless horizontal surface. If the tension \mathrm{T_1=16 \mathrm{~N}  then  \mathrm{ T_2}  is equal to

A string is wrapped around a solid cylinder and then the end of the string is held stationary, while the cylinder is released from rest. The acceleration of the cylinder and tension in the string -

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Concepts Covered - 1

Motion of blocks when connected with string

 

  1. 2 blocks connected with a string

 

T=m_{1}a

F-T=m_{2}a

a=\frac{F}{m_{1}+m_{2}}


T=\frac{m_{1}F}{m_{1}+m_{2}}

  1. 3 blocks connected with a string

      

 

a=\frac{F}{m_{1}+m_{2}+m_{3}}


T_{1}=\frac{(m_{2}+m_{3})F}{m_{1}+m_{2}+m_{3}}


T_{2}=\frac{m_{3}F}{m_{1}+m_{2}+m_{3}}

 

 

 

 

 

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Motion of blocks when connected with string

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