JEE Main 2026 — Laws of Motion Question with Solution
JEE Main 2026 (24 January Shift 1)
Question
In the given figure the blocks and weigh and 8 kg respectively. The co-efficient of sliding friction between any two surfaces is 0.5. The force required to slide the block with constant speed is N.
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Show full solutionCorrect answer: 210
Correct answer
210
Step-by-step explanation
For the 8 kg block (C) to move with constant velocity, .
Friction forces acting:
- Between C and ground: N
- Between C and B: N
For the 6 kg block (B):
N
For the 8 kg block (C):
N
Friction forces acting:
- Between C and ground: N
- Between C and B: N
For the 6 kg block (B):
N
For the 8 kg block (C):
N
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