2) simple harmonic motion. The Columbia Encyclopedia, Sixth Edition. 2001
...simple harmonic motion, see harmonic motion....

3) Charles III, 879-929, French king (Charles the Simple). The Columbia Encyclopedia, Sixth Edition. 2001
...French king (Charles the Simple), (Charles the Simple), 879-929, French king (893-923), son of King Louis II (Louis the Stammerer). As a child he was excluded from...

4) lever. The Columbia Encyclopedia, Sixth Edition. 2001
...The stationary point of a lever is known as its fulcrum. The term lever is also applied to a projecting piece that is moved to operate or adjust inner machinery,...

5) pulley. The Columbia Encyclopedia, Sixth Edition. 2001
...Thus arranged, the device is called a block and tackle. The number of pulley wheels mounted in the fixed and free blocks can be increased indefinitely to get a higher...

6) screw. The Columbia Encyclopedia, Sixth Edition. 2001
...The ridge forming the inclined plane is called the thread; in cross section the ridge may be approximately triangular, square, or rounded. The vertical distance from...

7) song. The Columbia Encyclopedia, Sixth Edition. 2001
...The song literature of Western music embodies two broad classifications-folk song and art song. 1Apart from the recently discovered cuneiform tablet containing a...

8) fracture. The Columbia Encyclopedia, Sixth Edition. 2001
...The bones of older people are especially liable to fracture, although no age is exempt. Fractures are caused most often by injury, although certain pathological conditions...

9) Archimedes' screw. The Columbia Encyclopedia, Sixth Edition. 2001
...Archimedes screw, a simple mechanical device believed to have been invented by Archimedes in the 3d cent. B.C. It consists of a cylinder inside of which a continuous...

10) inclined plane. The Columbia Encyclopedia, Sixth Edition. 2001
...The amount of work done (i.e., energy expended) in raising the body is equal to its weight times the distance through which it is raised. By means of an inclined...