Examples in Physics (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Examples in Physics

Velocity - The c.g.s. Unit of velocity is the velocity of a point which moves over one centimetre in a second.

Acceleration - The c.g.s. Unit of acceleration is that of a point whose velocity increases by one unit per second. The numerical value of the acceleration due to gravity (g) is at the equator, at Paris, 981-17 at Greenwich, and 1 at the pole.

Force - The c.g.s. Unit of force is that force which, acting upon a mass of one gramme for a second, generates in it a velocity of one centimetre per second.

Special names are given to some of these units; thus the c.g.s. Unit of force is called the dyne. Assuming the value of g to be 981 (as we shall do throughout), we see that a dyne is fig - 1 of the weight of a gramme.

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