A force, such as friction, that operates opposite the direction of motion of a body and tends to prevent or slow down the body's motion. A measure of the degree to which a substance impedes the flow of electric current induced by a voltage. Resistance is measured in ohms.
What is a tornado? A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of up to 300 mph. They can destroy large buildings, uproot trees and hurl vehicles hundreds of yards. They can also drive straw into trees.
Hurricanes and tornadoes have more in common with each other, though, than they do with ordinary thunderstorms. â¦ For example, both have eyes, or eyelike structure (in a tornado it is called a weak echo region.) They also both rotate, which is something most thunderstorms don't do.hey are different because a thunderstorm does not have a funnel of wind like a tor â¦ nado. A tornado itself does not produce rain or lightning, but the thunderstorm that spawned the tornado can. Also, the winds in a tornado are more violent than those just caused by a thunderstorm.