Gravity, Inertia, and the Two Bulges. Two tidal bulges are created on opposite sides of the Earth due to the moon's gravitational force and inertias counterbalance. Click the image for a larger view.Gravity is a major force responsible for creating tides.Inertia, acts to counterbalance gravity. It is the tendency of moving objects to continue moving in a straight line. Together, gravity and inertia are responsible for the creation of two major tidal bulges on the Earth (Ross, D.A., 1995).ravity, Inertia, and the Two Bulges. Two tidal bulges are created on opposite sides of the Earth due to the moon's gravitational force and inertias counterbalance. Click the image for a larger view.
A symphony is a large, multi-movement work for orchestra. It calls for instruments from all four sections (winds, strings, percussion, and brass) and explores a complete range of melody, harmony, rhythm, dynamics, and timbre. That seems like a basic definition, but even that already has a number of exceptions. The symphony really came into existence with the Classical period and Haydn.
An orchestra is a group of musicians playing instruments together. They usually play classical music. A large orchestra is sometimes called a symphony orchestra and a small orchestra is called a chamber orchestra. A symphony orchestra may have about 100 players, while a chamber orchestra may have 30 or 40 players. The number of players will depend on what music they are playing and the size of the place where they are playing. The word orchestra originally meant the semi-circular space in