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Byju's Answer

Standard XII

Physics

Introduction to Radial & Tangential Acceleration

The string sh...

Question

The string shown in $F i g . 6.358$ is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and equal to $v_{A}$ towards right, speed and magnitude of acceleration of block B at the instant shown in figure are:

v_{B} = v_{A}, a_{B} = 0

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a_{B} = 0

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v_{B} = \frac{3}{5} v_{A}

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a_{B} = \frac{16 v_{A}^{2}}{125}

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Solution

The correct options are
C $v_{B} = \frac{3}{5} v_{A}$
D $a_{B} = \frac{16 v_{A}^{2}}{125}$

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A trolley of mass M is attached to a block of mass m by a string passing over a frictionless pulley as shown in the figure. If the coefficient of friction between the trolley and the surface below is $μ,$ what is the acceleration of the trolley and the block system when they are released?

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The string shown in Fig.6.358 is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and equal to vA towards right, speed and magnitude of acceleration of block B at the instant shown in figure are:

The correct options are C vB=35vA D aB=16v2A125

The string shown in $F i g . 6.358$ is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and equal to $v_{A}$ towards right, speed and magnitude of acceleration of block B at the instant shown in figure are:

The correct options are
C $v_{B} = \frac{3}{5} v_{A}$
D $a_{B} = \frac{16 v_{A}^{2}}{125}$