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चित्र के अनुसार 2 किग्रा. के गुटके तथा मेज के बीच स्थैतिक घर्षण गुणांक = 0.2 हो तो m का अधिकतम मान क्या होना चाहिए जिससे कि गुटका गति न करे, जबकि घिरनी हल्की व घर्षण रहित है?

स्थैतिक घर्षण गुणांक

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दिया गया है

= 3 न्यूटन सेकण्ड

M= 2 किग्रा. 

μs = 0.2

m का अधिकतम मान = ?

⇒ Mg x μs = mg

⇒ M x μs = m

∴ m = 2 x 0.2

= 0.4 किग्रा.

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