When an object is falling, the two main forces acting on it are weight close weightA force that acts on mass, pulling it down, due to gravity. Weight is a force and forces are measured in newtons (N).
Falling objects injured three different people in three separate incidents I recently investigated. The common thread: unsecured objects above the victims’ heads. As in any falling-object case, most ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果