A spring has a natural length of 40 cm. If a 60-N force is required to keep the spring compressed 10 cm, how much work is done?
2016-02-21 6:12 am
A spring has a natural length of 40 cm. If a 60-N force is required to keep the spring compressed 10 cm, how much work is done during this compression?
回答 (2)
2016-02-21 8:45 am
✔ 最佳答案
k = F/x = 60/0.1 = 600 N/mWork = 1/2k*x^2 = 300*0.1^2 = 3.0 joule
Work = F*x/2 = 30*0.1 = 3.0 joule
2016-02-21 6:14 am
A
收錄日期: 2021-04-21 17:00:00
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