1. Two forces, \( F_1 \) and \( F_2 \), act on a particle with a mass of 1 kg and make it accelerate at 4i-6j+k (m/s²). If \( F_1 = -2i+ j + 5k (N), find \( F_2 \).

 
(A)2i-7j-3k (N)
(B)2i-5j+5k(N)
(C)\( F_2 = 6i-5j+5k(N)
(D)\( F_2 = 6i-7j-3k (N)
(E)\( F_2 = 2i-5j(N)

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