In general the longer the length of the plan the _________ force is needed to move the object.morelessA car built for distance requires a ____________ lever arm.longstableshortWho invented the spring loaded mouse trap?James spellingThomas WardJames Henry AtkinsonA twisting force.tensiontorquecompressionWhat force opposes motion and has a great effect on a mouse trap cars performance.frictionbearingsgravityA compressed spring of a mouse trap car is an example of ____________ energy.potential stablekineticEnergy that is stored is called:potential energystable energykinetic energyThe distance form the turning axis to the point of contact is called the:torque pointlever armturning pointWhat is the approximate speed of a mouse trap hammer?85 mph50 mph70 mphMost cutting devices use the principle of:the leverthe inclined planethe wheel Loading...