3.1.6 Open and Closed Loop Systems

Describe an open loop system that has not already been given as an example. Could the system benefit from feedback? justify your answer.
            -a time bomb; It runs a clock down, then at 00:00:00 it lights a spark to ignight the explosives. yes, otherwise the bomb would require some one to press an ignition switch near the explosives, and sacrifice their life.

Describe a close loop system that has not already been given as an example. Describe the feedback utilized, and describe why that type of feedback is utilized.
            -a sismic bomb; when it senses vibrations, it lights a spark to ignight the explosives. The feed back, in the form of vibrations from infentry men or vehicals above ground are gaged to set off the bomb.
Open and Closed Loop System: