[问答题]
State Newton's law of universlu(dx tqap b//i 24fp:xs.u7t4*gsz fm,esz 1 al gravitation.
参考答案: Every particle in the universe attracts every other particle with a force that is proportional to the product of their masses and inversely proportional to the square of the distances between them. This force acts along the line joining the two particles.