RRB Technician Grade 3 previous year question
The SI unit of the universal gravitation constant is ____________.
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 2) · Science
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Correct answer: (A) Nm²kg⁻²
From F = Gm₁m₂/r², rearranging gives G = Fr²/(m₁m₂), so the SI unit of G is N·m²/kg² = Nm²kg⁻².
हिंदी में प्रश्न
सार्वत्रिक गुरुत्वाकर्षण नियतांक का SI मात्रक क्या है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) Nm²kg⁻²
F = Gm₁m₂/r² से, G = Fr²/(m₁m₂) प्राप्त होता है, अतः G की SI इकाई N·m²/kg² = Nm²kg⁻² है।
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