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Byju's Answer

Standard XII

Physics

Differentiation

In the figure...

Question

In the figure , the pulley P moves to the right with a constant speed $u$ . The downward speed of $A$ is $v_{A}$ , and the speed of $B$ to the right is $v_{B}$ .

v_{B} = v_{A} + u

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v_{A} = v_{B} + u

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v_{B} = v_{A}

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The two blocks have accelerations of the same magnitude

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Solution

The correct options are
C $v_{B} = v_{A}$
D The two blocks have accelerations of the same magnitude
Since the rope is not slag , So the acceleration and velocity of both the object has to be same . So the velocity of A $v_{A}$ is equal to the velocity of B $v_{B}$ . Same is valid of acceleration. $a = a_{A} = a_{B}$

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In the figure , the pulley P moves to the right with a constant speed u. The downward speed of A is vA, and the speed of B to the right is vB.

The correct options are C vB=vA D The two blocks have accelerations of the same magnitudeSince the rope is not slag , So the acceleration and velocity of both the object has to be same . So the velocity of A vA is equal to the velocity of B vB. Same is valid of acceleration. a=aA=aB

In the figure , the pulley P moves to the right with a constant speed $u$ . The downward speed of $A$ is $v_{A}$ , and the speed of $B$ to the right is $v_{B}$ .