Final answer:
No, pulling a plug from the wall by the cord is not the safest way. To unplug a cord safely, hold onto the plug itself and pull it straight out of the wall socket.
Step-by-step explanation:
No, pulling a plug from the wall by the cord is not the safest way. It can result in damage to the cord or the plug, and there is a risk of electrical shock. The safest way to unplug a cord is to hold onto the plug itself and pull it straight out of the wall socket. This minimizes the risk of damage and ensures safe removal.