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1.分别写出下列正比例函数的解析式.(1)用50N的力推一个物体,所做的功W(J)与物体移动的距离s(m)之间的函数关系.(2)10cm~3的物体,它的密度ρ(g/cm~3)与质量m(g)之间的函数关系式.
1. Respectively, write down the following analytical expression for the proportional function: (1) The work W (J) as a function of the object moving distance s (m) by pushing an object with a force of 50 N (2) 10 cm ~ 3 objects, its density ρ (g / cm ~ 3) and the mass m (g) between the functional relationship.