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).

In late April or early May, Near Space Corp. plans to use a high-altitude balloon to carry Terminal Velocity Aerospace’s soccer-ball-size re-entry device to 30,000 meters and drop it. This will be an ...