Question

Three blocks A, B and C of mass 1kg, 2kg and 6kg respectively are placed in contact with each other, on a horizontal smooth surface, as shown in the figure. A force 24 N is applied horizontally on the block C, toward right. A force F is applied horizontally on the block A, toward right. If the normal contact force between the block B and C is zero, the value of F will be:
A)14N B)12N C)8N D)6N

Answer 1

Answer:

it's B)12N

because

they are asking the force applied in block b...

so,24/2=12N