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NEET · Physics · STD 11 - 4.1 newtons laws of motion

दर्शाये हुए चित्र में, \(2\,kg\) एवं \(1\,kg\) के बीच अभिलम्ब प्रतिक्रिया बल है \(.........\,N\) (माना तल चिकना है)दिया है (\(g =10\,ms ^{-2}\))

  1. A \(25\)
  2. B \(39\)
  3. C \(6\)
  4. D \(10\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(25\)

Step-by-step Solution

Detailed explanation

\(a =\frac{\text { Net force }}{\text { Total mass }}=\frac{60-\left(18+60 \sin 30^{\circ}\right)}{6}=2\,ms ^{-2}\) \(FBD\) of \(1\,kg\)
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