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engineering mechanics equilibrium of a rigid body
1. The girl has a mass of 17kg and mass center at Gg, and the tricycle has a mass of 10kg and mass center at Gt. Determine the normal reactions at each wheel for equilibrium.
(A): NA = 128.8 N, NB = NC = 68.0 N
(B): NA = 13.15 N, NB = NC = 6.93 N
(C): NA = 14.77 N, NB = NC = 6.12 N
(D): NA = 144.9 N, NB = NC = 60.0 N
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