物理概念的英文表述,达人请进

动能守恒没有找到～

牛顿第一定律：
The first law describes a fundamental property of matter, called inertia, as follows:
Every body remains in a state of rest or in a state of uniform motion (constant speed in a straight line) unless it is compelled by impressed forces to change that state.

牛顿第二定律
Newton's second law describes the manner in which a force compels a change of motion, at a rate of change called acceleration. It can be stated as follows:
Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which that force is impressed.

牛顿第三定律：
Newton's third law may be stated as follows:
Action and reaction are equal and opposite.
This law is often expressed as “for every action there is an equal and opposite reaction.”

热力学第一定律
First law of thermodynamics, about the conservation of energy
The change in the internal energy of a closed thermo