Question

output energy is the useful work done by a machine. name the following​

Answer 1

Explanation:

Output energy is the useful work done by a machine

Answer 2

Explanation:

In physics, work output is the work done by a simple machine, compound machine, or any type of engine model. In common terms, it is the energy output, which for simple machines is always less than the energy input, even though the forces may be drastically different

machines is correct answer