Most cutting devices use the principle of:the leverthe wheelthe inclined planeA twisting force.torquecompressiontensionWhat force opposes motion and has a great effect on a mouse trap cars performance.bearingsgravityfrictionThe distance form the turning axis to the point of contact is called the:torque pointlever armturning pointA car built for distance requires a ____________ lever arm.stableshortlongWhat is the sleeve called that is used to give the axle a smooth surface to rub against.bushingwood dowelbearingIn general the longer the length of the plan the _________ force is needed to move the object.lessmoreEnergy that is stored is called:stable energykinetic energypotential energyWhat is the approximate speed of a mouse trap hammer?70 mph85 mph50 mphThe balance point of an object is called the center of ______________.tensionmassbalance Loading...