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Question

In the system shown, string, pulley and spring are light. Block m is released from rest when spring is in relaxed position. Minimum value of mass m so that block of mass 10 kg placed on ground gets lifted up, is

दर्शाए गए निकाय में, डोरी, घिरनी तथा स्प्रिंग हल्की हैं। जब स्प्रिंग विश्रान्त स्थिति में है, तब गुटके m को विराम से छोड़ा जाता है। द्रव्यमान m का न्यूनतम मान क्या होगा, ताकि धरातल पर रखा 10 kg द्रव्यमान का गुटका ऊपर उठ जाए?


A
7.5 kg
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B
20 kg
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C
10 kg
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D
5 kg
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Solution

The correct option is D 5 kg
Solution

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