Name three simple machines that make up a can opener, which is a compound machine. Asked 7mths ago. A can opener contains four simple machines…a screw, a lever, a wedge, and a wheel and axle.Click to see full answer. Beside this, is a can opener a lever?Originally Answered: Why is a can opener considered a simple machine? The above can opener contains two simple machines: a lever and a wedge. The wedge is the triangular shape point, the lever is the handle. The above can opener contains four simple machines: a screw, a lever, a wedge, and a wheel and axle.One may also ask, what is a compound machine? A compound machine is a machine that consists of more than one simple machine. Some compound machines consist of just two simple machines. For example, a wheelbarrow consists of a lever, as you read earlier in the lesson “Simple Machines,” and also a wheel and axle. Herein, what are some examples of compound machines? A compound machine consists of two or more simple machines. Examples of compound machines include bicycles, cars, scissors, and fishing rods with reels.How does a can opener make work easier?Most can openers press a cutting wheel into the edge of the lid while a rough support wheel presses up under the lip of the can. It is best to purchase a can opener that drives this support wheel to provide easier motion.