1. A certain string breaks when a force of 200 N is exerted on it. If two people pull on opposite ends of the string each with a force of 180 , will the string break ? Explain ?
2. In an experiment to determine the value of π, a cylinder is measured to have an average value of 4.2 cm for it's diameter and average value of 13.00 cm for it's circumference. If the accepted valued of π is 3.1416, what is the percent error of the experiment value.