A natural force which pulls objects of mass toward each other.
The driving force behind steam power and the combustion engine.
A force which can attract or repulse objects within its field.
Law of Inertia
A law that states that an object in motion tends to remain in motion.
This is neither created nor destroyed.
Law of Action and Reaction
For every one of these, there is an equal and opposite one of these.
A differential in pressure between air or water flowing in a curved path over the surface and the air or water moving in a straight path underneath.
Known in general as rays, these span vibrating electric fields.
All matter is made up of one or more of these.
The way these behave governs the workings of many machines.
The building blocks of molecules...
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