Luksong tinik (English: "jumping over thorns") is a popular cultural game in the Philippines. It is one of the ____________ games the Filipino children used to play. It is originated in Cabanatuan, Nueva Ecija. It is played by two teams with equal numbers of players. The game involves players sitting on the ground and other players jumping over parts of their body. You know already that according to Sir Isaac Newton, stationary bodies will stay ____ ______ forever without any applied net force. Likewise, bodies in motion will continue in ______________ without any applied net force. It is also said that light objects can travel fast than ____________ object and that in every action there is always an equal but _______________ reaction.​