Question

66. Three blocks lie on each other as shown. Horizontal force F (variable) is
applied on block A. Choose the correct statements. (g = 10 m/s)
All kg ►F
u=0.2 B 2 kg
C
2 kg
u=0.8
u=0
(A) maximum acceleration of block B can be 2 m/s2.
(B) slipping between B and C cannot take place,
(C) slipping between A and B starts when F is more than 8N
(D) maximum acceleration of block C can be 3 m/s2.​

Answer 1

Answer:

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