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mid year test

question answer
what is force strength of energy of physical movement
what is force measured in newton meter and newtons
resultant force total force acting on an object
thinking distance The distance travelled whilst a driver reacts
braking distance The distance travelled whilst a vehicle brakes
stopping distance Thinking distance + Braking distance
extension When an object gets longer
compression When an object gets shorter
tension A pulling force on both ends of an object
weight A force due to gravity Weight = Mass x Gravity W = m x g
gravity on earth 9.8N/kg
pressure The ratio of force to area Pressure = Force ÷ Area P = F ÷ A
insulator Material that does not conduct heat easily
conductor Material that does conduct heat easily
Created by: eloise2006