Question

1. which of the following is not an example of a wedge?

board
chisel
knife
ax

Explanation:

A wedge is a simple machine with a triangular shape, used to separate objects or hold them together. A chisel, knife, and ax have wedge - like shapes (a sharp edge that tapers to a thin edge, used for cutting or splitting). A board is a flat, rectangular piece of wood (or other material) and does not have the shape or function of a wedge.

Answer:

A. board