英语物理题,能不能帮我用英语把答案写出来,急用!谢谢~

问题描述:

英语物理题,能不能帮我用英语把答案写出来,急用!谢谢~
1 What's the SI unit for force?
2 what's inertia?
3 what's the value of the acceleration due to gravity?
4 how are the net force acting on an object, mass of the object and acceleration of the object mathematically related to each other?
5 what's a vector? (Be brief)
6 Briefly describe what's velocity and acceleration?
7 what's the Newton's Third Law?
8 Name one difference between mass and weight?
要用英语的回答,谢谢大家了~
1个回答 分类:英语 2014-09-30

问题解答:

我来补答
1.力在国际单位制中的单位是什么?
答:The SI unit for force is N.
2.惯性是什么?
答:The inertia is kept the original object motions,regardless of the state of motion is static or translation,or rotation.
3.重力加速度的值是多少?
答:g=9.80665m/s^2
4.(大意是)物体的加速度与所受合力之间的关系是?
答:
5.简要回答向量是什么?
答:
6.简要描述速度、加速度是什么?
答:
7.牛顿第三定律
答:The force between two objects,and the reaction in the same line,equal and opposite direction
8.说出质量和重量的一个差别?
答:Mass is certain,but weight could change as the position's changing.
我有点忙,只能回答这么多了,其他的楼主可以自己翻翻书.
 
 
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