Scientific Dialogues,: Of mechanicsBaldwin and Cradock; and R. Hunter, 1828 |
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16 feet acting advantage gained angle applied arm BC ascend attraction of cohesion attraction of gravitation balance ball called centre of gravity centre of motion Charles clined plane CONVERSATION cylinder descend described direction falls divisibility of matter earth Emma explain false balance Father force of gravity fulcrum glass gonal greater hand heavy bodies hence inch inclined plane instance James White kind of lever law of motion length line of direction load machine marble means mechanical advantage mechanical power momentum moon move multiplied by 16 natural philosophy nearer papa particles pendulum perceive perpendicular philosophers piece plumb line pound weight power gained principle projectile force prop proportion pulleys quicksilver raised rection resistance roll rope round scale screw side small distance space passed square stand straight line strength suppose surface tance threads tion vessel vibrate wedge wood