Two masses A and B of 7 kg and 3 kg respectively are connected with a string passing over…
Physics · JEE Advanced · NTA Exams — Laws of Motion
Two masses A and B of 7 kg and 3 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of table as shown in the figure. The coefficient of friction between A and horizontal surface is 0.3 . The minimum mass of C that may be placed on A to prevent it from moving is equal to
- 15 kg
- 10 kg
- 5 kg
- 3 kg
Answer
(D) 3 kg
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