Most cutting devices use the principle of:the wheelthe inclined planethe leverWhat force opposes motion and has a great effect on a mouse trap cars performance.frictiongravitybearingsA car built for distance requires a ____________ lever arm.shortstablelongIn general the longer the length of the plan the _________ force is needed to move the object.morelessA compressed spring of a mouse trap car is an example of ____________ energy.stablekineticpotential Energy that is stored is called:stable energykinetic energypotential energyWho invented the spring loaded mouse trap?James spellingJames Henry AtkinsonThomas WardThe distance form the turning axis to the point of contact is called the:lever armturning pointtorque pointA twisting force.tensiontorquecompressionWhat is the approximate speed of a mouse trap hammer?50 mph85 mph70 mph Loading...