What is the force on a 1000 kg elevator that is falling freely at 9.8/sec2

Can someone me with 1 to 4 plz. fast

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released