In the given figure, if the velocity of the block C at a particular instant is - 20 m s - 1 j ^ , then the velocity of the rod (A) at that instant will be : (string is attached to wedge)

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PhysicsNLMFBD & EquilibriumEasy2 minPYQ_2020

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In the given figure, if the velocity of the block $C$ at a particular instant is $- 20 m s^{- 1} \hat{j}$ , then the velocity of the rod (A) at that instant will be : (string is attached to wedge)

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Answer:

Solution:

In the given figure, if the velocity

$l_{1}^{'} + l_{2}^{'} = 0$

$20 - u = 0$

$u = 20 m s^{- 1}$

By wedge constraint

$u \sin 3 7^{\circ} = v cos 3 7^{\circ}$

$v = u \times \frac{3}{4} = 15 m s^{- 1}$

$\vec{v} = 15 \hat{j}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:NLMSubtopic:FBD & Equilibrium

⏱ 2mℹ️ Source: PYQ_2020

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