Work, Energy and Power

Question: Natural length of a spring is 60 cm, and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring is, (Take $g = 9.8\;m/{s^2}$)



1) 4.9 cm
2) 0.49 cm
3) 9.4 cm
4) 0.94 cm
Solution: Explanation: No Explanation
WEP Work Done by Variable Force

Rate this question:

Average rating: (0 votes)

Previous Question Next Question