The motion of a parachutist isn't considered free fall? give reason.

Agalvanometer has an internal resistance of 100 ω and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?

Why do astronauts in the space shuttle weigh less?

The energy released by a nuclear fusion reaction is produced when