CBSE Class 11-science Answered
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Asked by suchananag2002 | 14 Sep, 2019, 08:36: PM
Expert Answer
Free body diagram of two mass blocks are shown in figure. Force F Newton is acting on 8 kg mass block.
Reaction force acting on 2 kg mass block is als F , because 8 kg block pressing the 2 kg block with the force F Newton.
Friction force between the contact surfaces is (μ×F) Newton .
if 2kg mass block does not fall under gravity, then (μ×F) ≥ (2×10) N or F ≥ (20/0.5 ) N
Hence minmum force F = 40 N
Answered by Thiyagarajan K | 14 Sep, 2019, 09:25: PM
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