Answer:
Two objects with different masses collide and bounce back after an elastic collision.
The Articles of Confederation were discarded in favor of a stronger more centralized federal government because of problems in governing that were associated with weaknesses of the Articles of Confederation. The Articles failed to allow the national government to collect taxes, resolve inter-state disputes, and govern effectively more generally. Therefore, at the Constitutional Convention they decided to scrap the Articles and write an entirely new Constitution.
