What are the use of a wedge?

A wedge is a simple machine that converts a force applied to its blunt end into a force exerted over a larger area at its pointed end. It is commonly used to split, lift, or hold objects apart, such as in axes, knives, or doorstops. Wedges are effective in tasks requiring the application of force, making them essential tools in construction, woodworking, and various mechanical applications. Their design allows for increased efficiency in cutting or separating materials.