What is the sleeve called that is used to give the axle a smooth surface to rub against.wood dowelbushingbearingThe balance point of an object is called the center of ______________.tensionbalancemassEnergy that is stored is called:potential energykinetic energystable energyWho invented the spring loaded mouse trap?James Henry AtkinsonJames spellingThomas WardA twisting force.torquetensioncompressionA compressed spring of a mouse trap car is an example of ____________ energy.potential kineticstableIn general the longer the length of the plan the _________ force is needed to move the object.lessmoreThe distance form the turning axis to the point of contact is called the:torque pointturning pointlever armWhat force opposes motion and has a great effect on a mouse trap cars performance.gravitybearingsfrictionMost cutting devices use the principle of:the inclined planethe wheelthe lever Loading...