Question

39. Blocks shown in figure moves with constant velocity 10 m/s towards right. All surfaces in contact are rough. The
friction force applied by Bon A is
А
20 N
B
Ground
I
(1) ON
(2) 20 N
(3) 10 N
(4) Insufficient data​

Answer 1

Answer:

2) 20 N

Explanation:

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