Laws Of Motion Question 160

Question: Two masses of 5kg and 10kg are connected to a pulley as shown. What will be the acceleration of the system $ (g= $ acceleration due to gravity) [CBSE PMT 2000]

Options:

A) $ g $

B) $ \frac{g}{2} $

C) $ \frac{g}{3} $

D) $ \frac{g}{4} $

Show Answer

Answer:

Correct Answer: C

Solution:

$ a=\frac{m _{2}-m _{1}}{m _{1}+m _{2}}g=\frac{10-5}{10+5}g=\frac{g}{3} $



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