1. poke a hole in a dollar bill. 2. pull a string through it.
You pull a cord on a city bus to let the driver you want the bus to stop, and let you off when it is safe to do so. It's not the same as the emergency cord on a train that is pulled to bring the...
you pull the string, the toy talks or whatever.
Sound can "propagate" along a string, i.e. travel along the string from one end to the other.
Yes