What is the approximate speed of a mouse trap hammer?85 mph70 mph50 mphA car built for distance requires a ____________ lever arm.longstableshortWhat force opposes motion and has a great effect on a mouse trap cars performance.bearingsgravityfrictionA twisting force.compressiontorquetensionThe distance form the turning axis to the point of contact is called the:turning pointtorque pointlever armIn general the longer the length of the plan the _________ force is needed to move the object.morelessWhat is the sleeve called that is used to give the axle a smooth surface to rub against.wood dowelbushingbearingEnergy that is stored is called:potential energykinetic energystable energyA compressed spring of a mouse trap car is an example of ____________ energy.stablekineticpotential Most cutting devices use the principle of:the inclined planethe leverthe wheel Loading...