Τι λένε οι χρήστες - Σύνταξη κριτικής
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accelerating action advantage angle application atmospheric axes axis axle balance ball base beam body centre of gravity circle component consequently cord couple cubic density depth descent determine direction displaced distance divided draw drawn elastic elevation equal equation equilibrium fall feet fixed fluid forces acting given greater Hence horizontal immersed inches inclined plane increase length lever magnitude motion moves opposite parallel forces particles pass perpendicular piston placed plane plate position preceding pressure produced projection pulley radius represent resistance respectively rest resultant right angles screw shew sides solid specific gravity square straight supposed surface taken temperature tension termed third triangle uniform unit velocity vertical vertical line vessel volume weight wheel
Σελίδα 366 - Greek Testament Roots, in a Selection of Texts, giving the power of Reading the whole Greek Testament without difficulty. With Grammatical Notes, and a Parsing Lexicon associating the Greek Primitives with English Derivatives. Post 8vo. 7s. 6d. cloth.
Σελίδα 44 - ... would act at a point which would be the centre of the system of the whole of the parallel forces acting on the body. Centre of Gravity. — Since gravity attracts towards the earth each particle of matter of which a body is composed, the weight of a body may be considered as the sum of a system of parallel forces.