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Equilibrium Of Concurrent Forces MCQ - Practice Questions with Answers

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

Quick Facts

  • Equilibrium of concurrent forces is considered one of the most asked concept.

  • 11 Questions around this concept.

Solve by difficulty

A light spring balance hangs from the hook of the other light spring balance and a block of mass M Kg hangs from the former one. Then the true  statement about the scale reading is :

Three forces start acting simultaneously on a particle moving with velocity \vec{v}.These forces are represented in magnitude and direction by the three sides of a triangle ABC (as shown ).The particle will now move with velocity

Concepts Covered - 1

Equilibrium of concurrent forces

 

  • Concurrent Forces-If all the forces working on a body are acting on the same point then they are said to be concurrent. 

  • Three forces will be in equilibrium if they are represented by three sides of a triangle taken in order.

       

  • For equilibrium, 

\sum \vec{F_{net}}= 0   , 

or \sum \vec{F_{x}}= 0,\sum \vec F_{y}= 0, \sum \vec F_{z}= 0

  • Lami’s theorem: It states that for three concurrent forces in equilibrium,

                                

                     \frac{F_{1}}{sin\alpha }=\frac{F_{2}}{sin\beta }=\frac{F_{3}}{sin\gamma }

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Equilibrium of concurrent forces

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