In the diagram shown in figure, match the following: (g = 10 m/s 2 ) Column IColumn II(i) Acceleration of 2 kg block[A] 8 SI unit(ii) Net force on 3 kg block[B] 25 SI unit(iii) Normal reaction between 2 kg and 1 kg[C] 2 SI unit(iv) Normal reaction between 3 kg and 2 kg[D] 45 N[E] None

In the diagram shown in figure, match the following: (g = 1…

Physics Newton's Laws of Motion Mix MCQ (Single Correct)

In the diagram shown in figure, match the following: (g = 10 m/s 2 )

Column I	Column II
(i) Acceleration of 2 kg block	[A] 8 SI unit
(ii) Net force on 3 kg block	[B] 25 SI unit
(iii) Normal reaction between 2 kg and 1 kg	[C] 2 SI unit
(iv) Normal reaction between 3 kg and 2 kg	[D] 45 N
	[E] None

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The correct answer is:

CHECK THE SOLUTION.

(i)-[C], (ii)-[E], (iii)-[B], (iv)-[E]

Sol.

a = = 2m/s 2 F net on 3kg = 3 × a = 6N

R 1 – 1 × g sin30° – 18 = 1 × a

R 1 = 18 + 5 + 2 = 25N

60N – R 2 – 3 × g sin30° = 3 × 2

R 2 = 60 – 15 – 6 = 39N

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