In general the longer the length of the plan the _________ force is needed to move the object.morelessMost cutting devices use the principle of:the leverthe wheelthe inclined planeWho invented the spring loaded mouse trap?Thomas WardJames Henry AtkinsonJames spellingA car built for distance requires a ____________ lever arm.shortstablelongWhat is the sleeve called that is used to give the axle a smooth surface to rub against.wood dowelbushingbearingWhat force opposes motion and has a great effect on a mouse trap cars performance.bearingsgravityfrictionEnergy that is stored is called:kinetic energypotential energystable energyThe distance form the turning axis to the point of contact is called the:turning pointlever armtorque pointA compressed spring of a mouse trap car is an example of ____________ energy.stablekineticpotential A twisting force.tensiontorquecompression Loading...