Question

What are the different types of forces? How are they different from one another?

Answer 1

当物体相互接触时，作用在物体上的力有六种：法向力、外加力、摩擦力、张力、弹簧力和阻力。这些力使物体改变它们的运动或运动，即从一个地方移动到另一个地方的行为。