What is the approximate speed of a mouse trap hammer?85 mph70 mph50 mphIn general the longer the length of the plan the _________ force is needed to move the object.lessmoreA car built for distance requires a ____________ lever arm.longstableshortThe balance point of an object is called the center of ______________.tensionbalancemassA twisting force.compressiontensiontorqueWhat is the sleeve called that is used to give the axle a smooth surface to rub against.bushingwood dowelbearingA compressed spring of a mouse trap car is an example of ____________ energy.potential kineticstableMost cutting devices use the principle of:the leverthe wheelthe inclined planeWho invented the spring loaded mouse trap?James Henry AtkinsonJames spellingThomas WardEnergy that is stored is called:stable energykinetic energypotential energy Loading...