O-LevelPhysicsForces5054/12 · May/June 2022 · Q101 Mark
An elastic spring has an unstretched length of 30 cm. A load of 6.0 N is hung from the spring and the length of the spring is now 66 cm. The 6.0 N load is removed and the spring returns to its original length. A load of 2.0 N is now hung from the spring. What is the new length of the spring?
A22 cm
B40 cm
C42 cm
D52 cm
✓ Correct answer
C: 42 cm
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