Distinguish between rotational speed (or angular speed) and linear speed. Provide examples of each.

rotational speed is measured in revolution per unit second, example: earth per seconds whiles linear speed is measured in distance per unit time,example: feet per second

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.