Equilibrium Of Concurrent Forces MCQ - Practice Questions & Answers

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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 :

both the scales read M Kg each

the scale of the lower one reads M kg and of the upper one zero

the reading of the two scales can be anything but the sum of the reading will be M kg

both the scales read M/2 kg

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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

Less than $\vec{v}$

greater than $\vec{v}$

$\left | \vec{v} \right |$ in the direction of the largest force BC

$\vec{v}$ remaining unchanged.

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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.