1.A wedge is a triangular shaped tool, and is a portable inclined plane, and one of the six simple machines.

2.It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place.

3.The gap wedge, sand wedge and lob wedge form the different categories of wedges.

4.A wedge makes work easier by increasing the force applied to the object, although it applies the force over a shorter distance.