Hooke’s law

例句：

1. 1. The force of gravity is proportional to the mass of an object and inversely proportional to its distance from the Earth's surface.
   重力与物体的质量成正比，与物体离地球表面的距离成反比。
2. 2. This law states that the viscosity of a fluid increases with increasing shear stress.
   这个定律表明，流体的黏度随着剪切应力的增加而增加。
3. 3. In this example, we can use Hooke's law to calculate the tension in the spring.
   在这个例子中，我们可以使用胡克定律来计算弹簧中的张力。