Two blocks of masses \( 2 \mathrm{~kg} \) and \( 1 \mathrm{~kg} \) are in contact with each othe...

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Two blocks of masses \( 2 \mathrm{~kg} \) and \( 1 \mathrm{~kg} \) are in contact with each other on a frictionless table. When a horizontal force of \( 3.0 \mathrm{~N} \) is applied to the block of mass \( 2 \mathrm{~kg} \) the value of the force of contact between the two blocks is -
- (1) \( 4 \mathrm{~N} \)
(2) \( 3 \mathrm{~N} \)
- (3) \( 5 \mathrm{~N} \)
(4) \( 1 \mathrm{~N} \)
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