A = -3 i + 4j
B = 2j
C = 2i + j
D = -5j
A + B + C + D = (-3i + 2i) + (4j + j - 5j) = -i
|A + B + C + D| = 1
The magnitude of the net force on 1 is 1
There are four body diagrams, and rank them according to the magnitude of the net force. From smallest to largest.
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