Q.
The tension in the string in the pulley system shown in the figure is
A) 75 N
B) 80 N
C) 7.5 N
D) 30 N
Explanation
(a) Equation for the given system
$10\ g - T = 10a$ …(i)
$T - 6g = 6a$ ….(ii)
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From Eqs. (i) and (ii)
$T = 75$ N
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.