作业帮英语物理题,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 acceler
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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 acceler
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~
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 acceler
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.