Draw a combination of three movable pulleys with a fixed pulley showing the directions of load, effort and tension in each strand. Find velocity ratio.

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Solution

The correct option is C 8
As we know that velocity ratio= $\frac{d i s t a n c e m o v e d b y l o a d}{d i s t a n c e m o v e d b y e f f o r t}$
so distance moved by effort( $E$ ) $= D$
distance moved by load(L)= $\frac{D}{8}$
hence velocity ratio( $V . R$ ) $= 8$

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Draw a combination of three movable pulleys with a fixed pulley showing the directions of load, effort and tension in each strand. Find velocity ratio.

The correct option is C 8As we know that velocity ratio=distance moved by loaddistance moved by effortso distance moved by effort(E)=Ddistance moved by load(L)=D8hence velocity ratio(V.R)=8

The correct option is C 8
As we know that velocity ratio= $\frac{d i s t a n c e m o v e d b y l o a d}{d i s t a n c e m o v e d b y e f f o r t}$
so distance moved by effort( $E$ ) $= D$
distance moved by load(L)= $\frac{D}{8}$
hence velocity ratio( $V . R$ ) $= 8$