Q123. A block with a mass of 40 kg hangs from a spring, causing it to extend by 0.16 m from its unstretched position. What is the spring constant (k) of the spring? (Use g = 9.8 m/s2)Physics — NUST Mock By IBAGRADS 4 — Question 123 of 200A. 250 N/mB. 62.7 N/mC. 2500 N/mD. 2450 N/mPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →