不能互相换算,就像1.65米身高等于多少体重一样.
MPa是压强单位,公斤(Kg)是质量单位.
要是有压强作用的面积,能算出作用力.
1MPa压强作用在1平方厘米上,则受力相当于98公斤力左右.
猜你喜欢
- 1琴诗和观书有感所蕴含哲理的理解是什么?
- 2比较几个幂的大小
- 3改双重否定句:听了他的演讲,同学们很受感动.
- 4已知方程组3x+2y=m+12x+y=m-1,求使x>y的m的最小整数值.
- 5y=根号下[(x+3)^2+16]+根号下[(x-5)^2+4]的值域
- 6with the help of sb.这里的with为什么不可用under来代替.
- 7____of them has known about the accident because it has been already reported on TV.
- 8Let's play games after school.改为否定句
- 9.Computers can do ______ work in a short time,but a man can not do ______ by himself
- 10I like the actor Paul Jackson best