Question

12. Find acceleration of each block if m= 20 kg, M= 7 kg, g= 10 m/s2

Hs = 0.5
HK = 0.2​

Answer 1

Answer:

From FBD of 10 kg block,

F=30N,f=0.1×10×10=10N (Assuming kinetic friction coefficient =0.1)

As F>f , so the 10 kg block will move with acceleration a.

Thus, 10a=F−f=30−10=20⇒a=2m/s

2

solution

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