VEX Robotics Exam review Questions and answers, 100% Accurate. Verified.

VEX Robotics Exam review Questions and answers, 100% Accurate. Verified. Mechanism - -a system of parts working together in a machine Simple gear train - -A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage. Simple gear train with idler - -two meshed gears will rotate in opposite directions Bevel gear - -Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped. Differential gear - -The automotive differential is designed to drive a pair of wheels while allowing them to rotate at different speeds. Worm and wheel - -A worm is used to reduce speed and increase torque Leadscrew - -A leadscrew changes rotary movement into linear movement Rack and pinion - -A rack and pinion is used to convert between rotary and linear motion Universal joint - -A universal joint is a joint or coupling connecting rigid rods whose axes are inclined to each other, and is commonly used in shafts that transmit rotary motion. Chain drive - -Chain drive is a way of transmitting mechanical power from one place to another belt drive - -a mechanism in which power is transmitted by a continuous flexible belt. Battery 7.2V 2000mAh - -Battery pack that provides 7.2 volts of electricity for the power system at 2000 milliamps. battery 7.2V 3000mAh - -Battery pack that provides 7.2 volts of electricity for the power system a 3000 milliamps. bumper switch sensor - digital - -A high-durability sensor designed to detect physical contact. This is a digital sensor. limit switch sensor