For each of the drawings determine the type of the processes forming it and transfer the cycle to the other two diagrams

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

What kind of simple machine is a catapult?

The flow of electrons from one atom to another is called