Laws Of Motion Question 159
Question: A light string passes over a frictionless pulley. To one of its ends a mass of 6 kg is attached. To its other end a mass of 10 kg is attached. The tension in the thread will be[RPET 1996; JIPMER 2001, 02]
Options:
A)24.5 N
B) 2.45 N
C) 79 N
D) 73.5 N
Show Answer
Answer:
Correct Answer: D
Solution:
$ T=\frac{2m _{1}m _{2}}{m _{1}+m _{2}}g=\frac{2\times 10\times 6}{10+6}\times 9.8=73.5N $
