Laws Of Motion Question 353
Question: Two masses A and B of 10 kg and 5 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown. The coefficient of static friction of A with table is 0.2. The minimum mass of C that may be placed on A to prevent it from moving is[MP PET 1984]
Options:
A) 15 kg
B) 10 kg
C) 5 kg
D) 12 kg
Show Answer
Answer:
Correct Answer: A
Solution:
For limiting condition
therefore
therefore
therefore
