Which of the following is an example of how wedges function in simple machines?

Wedges are a type of simple machine that function by converting applied force into a more concentrated force that acts at a specific angle, allowing them to cut through or separate materials effectively. When a wedge is driven into an object or surface, the force applied to the wider end is concentrated as it narrows, essentially amplifying the force exerted on the material. This concentrated force allows the wedge to penetrate and split materials like wood, stone, or metal.

This mechanism highlights the fundamental purpose of wedges in practical applications, such as knives, axes, and chisels, where cutting or separating materials is required. The ability of a wedge to focus force in this manner exemplifies its role as a tool designed for efficiency in tasks that require penetration or cutting.

Other options describe functions related to different types of simple machines, but they do not capture the specific action of wedges in focusing force to achieve a cutting or separating effect. For instance, transforming angular motion into linear motion pertains more to levers or gears, while facilitating movement through rotational force is characteristic of pulleys and wheels. Reducing friction is a function associated with bearings or lubricating systems rather than the focused function of wedges.