system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it that chainsaws need a pull cord to start? Couldn’t they just be turned off or on with a switch?
gpt
In order to do that it would need to have a battery, an electric starter motor, and a coil to generate electricity to recharge the battery, all of which would add a bunch of weight which you don't want with a handheld tool.