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The two blocks, m = 10kg and M = 50kg are free to move as shown. The coefficient of static friction between the blocks is 0.5 and there is no friction between M and the ground. A minimum horizontal force F is applied to hold m against M that is equal to :
  • a)
    240 N
  • b)
    100 N
  • c)
    180 N
  • d)
    50 N 
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The two blocks,m= 10kgandM= 50kgare free to move as shown. The coeffic...
Limiting condition for m to not slip in vertical downward direction,

Same normal force would acceleration M, thus 
Taking m + M as system

The correct answer is: 240 N
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Most Upvoted Answer
The two blocks,m= 10kgandM= 50kgare free to move as shown. The coeffic...
Limiting condition for m to not slip in vertical downward direction,

Same normal force would acceleration M, thus 
Taking m + M as system

The correct answer is: 240 N
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The two blocks,m= 10kgandM= 50kgare free to move as shown. The coefficient of static friction between the blocks is 0.5 and there is no friction betweenMand the ground. A minimum horizontal forceFis applied to hold m againstMthat is equal to :a)240Nb)100Nc)180Nd)50NCorrect answer is option 'A'. Can you explain this answer?
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