Three blocks are stacked on top of each other inside an elevator as shown m the

Question

Three blocks are stacked on top of each other inside an elevator as shown m the figure. Answer the following questions with reference to the eight forces defined as follows. the force of the 3 kg block on 2 kg block, F3 on 2 the force of the 2 kg block on the 3 kg block, F2 on 3 the force of the 3 kg block on the 1 kg block, F3 on 1 the force of the 1 kg block on the 3 kg block, F1 on 3 The force of the 2 kg block on the 1 kg block, F2 on 1 the force of the 1 kg block on the 2 kg block, F1 on 2 the force of the 1 kg block on the floor, F1 on floor and Assume me elevator is at rest. Rank the magnitude of me forces. Rank from largest to smallest. To rank Items as equivalent, overlap them.

Explanation / Answer

mag F23 =F32 ,F12 = F21 , F1f = Ff1

F13=0 =F31

for 3kg body

F23 = 3*9.8 = 29.4 =F32

for 2 kg body

F12 - 29.4 + 2*9.8 = 49 = F21

F1f = F21 + 1*9.8 = 58.8 =Ff1

F1f= Ff1 > F12 =F21 > F23 = F32 > F13=F31

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