Question

Since all objects are �weightless� for an astronaut in orbit, is it possible for astronauts to tell whether an object is heavy or light? Explain your reasoning.

Answer 1

just try pushing [and thereby accelerating] something in outerspace will still give a good feel for its mass, as in its inertia....

Answer 2

and i imagine you could probably weigh something very accurately with some type of cntrifuge idea