In the arrangement shown in figure $a _{1}, a _{2}, a _{3}$ and $a _{4}$ are the accelerations of masses $m _{1}, m _{2}, m _{3}$ and $m _{4}$ respectively. Which of the following relation is true for this arrangement?
$4 a_{1}+2 a_{2}+a_{3}+a_{4}=0$
$a_{1}+4 a_{2}+3 a_{3}+a_{4}=0$
$a_{1}+4 a_{2}+3 a_{3}+2 a_{4}=0$
$2 a_{1}+2 a_{2}+3 a_{3}+a_{4}=0$
If block $A$ has a velocity of $0.6\,m / s$ to the right, determine the velocity of block $B$.
Acceleration of system is :-
If all the pulleys are massless and string is ideal, find the reading of spring balance
Find the velocity of the hanging block if the velocities of the free ends of the rope are as indicated in the figure.