Assume the elevator is moving upward at increasing speed. Rank the magnitude of the forces. Rank from largest to smallest. To rank items as equivalent, overlap them.
1. the force of the 3kg block on the 2kg block, F3on2
2. the force of the 2kg block on the 3kg block, F2on3
3. the force of the 3kg block on the 1kg block, F3on1
4. the force of the 1kg block on the 3kg block, F1on3
5. the force of the 2kg block on the 1kg block, F2on1
6. the force of the 1kg block on the 2kg block, F1on2
7. force of the 1kg block on the floor, F1onfloor
8. force of the floor on the 1kg block, Fflooron1