The Position of a 0

Multiple Choice

The position of a 0.72-kg mass undergoing simple harmonic motion is given by x = (0.160 m) cos (πt/16) .What is the maximum net force on the mass as it oscillates?
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A) 4.4 × 10−³ N
B) 27.8 × 10−³ N
C) 6.2 × 10−³ N
D) 22.6 N
E) ​2.3 × 10−³ N