| Column I | Column II | ||
| (A) | Recoil of gun | 1. | Newtons 2nd law of motion |
| (B) | Inertia | 2. | \[1{{0}^{5}}g-cm{{s}^{-1}}\] |
| (C) | Momentum | 3. | Newton's 3rd law of motion |
| (D) | \[1kg-m{{s}^{-1}}\] | 4. | Newton's 1st law of motion |
A) A-3, B-4, C-1, D-2
B) A-4, B-1, C-2, D-3
C) A-1, B-2, C-3, D-4
D) A-2, B-4, C-1, D-3
Correct Answer: A
Solution :
| [a] A\[\to \]3; Recoiling of gun is based on the Newton's 3rd law of motion as action-reaction forces act here. |
| B \[\to \] 4; Newton's 1st law of motion is also called law of inertia. |
| C \[\to \] 1; Newton's 2nd law relates the change in momentum with the force applied. |
| D \[\to \] 2; 1 kg-\[{{\operatorname{ms}}^{-1}}={{10}^{3}}g\times 100\operatorname{cm}\times {{\operatorname{s}}^{-1}}={{10}^{5}}\operatorname{g}-cm{{s}^{-1}}\] |
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