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Three blocks are in contact with each other on a frictionless,horizontal surface. A horizontal force F is applied toM1. M1= 2kg, M2=3kg, M3= 4kg, and F=18N. (M1,M2,M3 are allsitting side by side)

PART A) Find the resultant force on each block.

PART B) Find the magnitudes of the contact forcesbetween the blocks.

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