Three large box are kept stationary over one other as shown in figure. A horizontal force 20 N acts on middle block as shown in figure. Then -
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, d)
(f 1 ) maximum = 0.2 × 10 = 2 N
(f 2 ) maximum = 0.8 × 20 = 16 N
(f 3 ) maximum = 0.3 × 30 = 9N
Acceleration of lowest block
= 
= 4.5 m/s 2 Acceleration of upper most block is = 
= 2 m/s
2
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