Answer
(a) k = 40.0 N/m
(b) F = 0.456 N
Work Step by Step
(a) We can find the force constant $k$.
$k = \frac{F}{x} = \frac{1.50~N}{0.0375~m}$
$k = 40.0~N/m$
(b) $F = kx = (40.0~N/m)(0.0114~m)$
$F = 0.456~N$
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