Q. A dynamometer $D$ is attached to two blocks of masses 6 kg and 4 kg. Forces of 20 N and 10 N are applied on the blocks as shown in figure. The dynamometer reads

A) 10 N
B) 20 N
C) 6 N
D) 14 N
Explanation

(d) $20 - T = 6a$
$T - 10 = 4a$
$\therefore\ a = 1$ and $T = 14$ N

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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