Laws Of Motion Question 338
Question: A block of mass m = 2 kg is placed on a plank of mass which is placed on a smooth horizontal plane. The coefficient of friction between the block and the plank is . If a horizontal force F is applied on the plank, then find the maximum value of F for which the block and the plank move together. (Take )
Options:
A) 30 N
B) 40 N
C) 120 N
D) None of the above
Show Answer
Answer:
Correct Answer: A
Solution:
[a] For no slipping between m and At,