Most cutting devices use the principle of:the inclined planethe wheelthe leverWhat is the approximate speed of a mouse trap hammer?50 mph85 mph70 mphWhat force opposes motion and has a great effect on a mouse trap cars performance.gravitybearingsfrictionThe distance form the turning axis to the point of contact is called the:lever armtorque pointturning pointWho invented the spring loaded mouse trap?James spellingThomas WardJames Henry AtkinsonThe balance point of an object is called the center of ______________.balancetensionmassA car built for distance requires a ____________ lever arm.shortstablelongA twisting force.tensiontorquecompressionA compressed spring of a mouse trap car is an example of ____________ energy.potential stablekineticWhat is the sleeve called that is used to give the axle a smooth surface to rub against.wood dowelbushingbearing Loading...