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Question

For the system shown in figure, pulley and string are ideal. Value of force F so that acceleration of 3 kg is 5 m/s2 in the upward direction. [g = 10 m/s2]

चित्र में दर्शाए गए निकाय के लिए, घिरनी तथा डोरी आदर्श हैं। बल F का मान क्या होगा ताकि 3 kg का त्वरण, ऊपर की दिशा में 5 m/s2 हो? [g = 10 m/s2]


A
90 N
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B
45 N
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C
60 N
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D
80 N
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Solution

The correct option is A 90 N
Solution

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