John's '65 rewrite of "this boy" was the b side of "ticket to ride," and featured george using a volume/tone guitar pedal. it is

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.