To the right is a diagram of a 4 kg weight hanging from a massless string.T
问题描述:
To the right is a diagram of a 4 kg weight hanging from a massless string.T
答
右边是一幅一个不计重量的弹簧挂着4公斤重物的图。
答
右图中,一根绳子悬挂着一个4公斤重的物体,绳子的质量可以忽略不计.