[填空题]
If mass is a form of energy,7933fgnjxml vhedb +: n,fom+mub3v7 does this mean that a spring has more mass when compv+fmn ,uom7 3bressed than when relaxed?
参考答案: yes
本题详细解析:
Yes.One way to describe the energy stored in the
compressed spring is to say it is a mass increase (although it would be so
small that it could not be measured).This mass will convert back to energy when the spring is uncompressed.