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Grade 12Mechanics

Three block of mass 1kg,4kg,2kg ate placed on smoOth horizontal plane find. 1 - acceleration of the system 2- the normal force between 1 ka block and 4 ka block 3- the net force on 2 kg block

Profile image of Harsh singh
6 Years agoGrade 12
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2 Answers

Profile image of Arun
6 Years ago
Dear student 
 
Question is not properly written or does not have proper meaning. Please repost the question. You can also attach an attachment.
I will be happy to help you. 
Profile image of Vikas TU
6 Years ago
Dear student 
i).Acceleration = Fnet / mass 
=> (120-50)/1+4+2 = 70/ = 10m/sec^2
ii). F = ma 
120-N = 10 
So, N = 110 N 
iii).F = ma 
=> 2*10 = 20N