the molecules in the wood begin to vibrate from the force of the book
iron is not force. shake is woodwork. property_of_water_molecule is not molecule. momentum is property_of_moving_objects. protium_heptaphyllum is not incense_tree. reading_books has effect_of_gaining_knowledge when_water is not heated_becomes_water_vapor. matter is book. property_of_water_molecule is molecule. water is molecule.