It requires a force of 100 n to stretch a spring of negligible mass by a distance of 0.1 m. if the spring instead stretches a distance of 0.25 m, how much force was applied to it? answer choices1. 200 n 2. 300 n 3. 250 n 4. 100 n 5. 175 n 6. 325 n 7. 150 n 8. 225 n 9. 275 n