Two or more gears working in tandem are called what? A. Torque B. Cog C. Rack D. Transmission What are the advantage(s) of using gear systems? A. Gear teeth prevent slippage B. Few elements can create great force C. Decreased power creates more force. D. Gear systems are easy to design and manufacture Force transmitted from a small gear diameter to a larger gear diameter is A. Increased B. Decreased C. Stays the same D. None of the above In Spur gear systems, the tooth profile is A. inclined to the axis of rotation. B. vertical to the axis of rotation. C. parallel to the axis of rotation. D. None of these If two discs are fixed by an axis, their radial velocity and acceleration is equal. A. True B. False What important element must we consider when re-scaling a gear system design? A. Space between the elements B. C. D. Recommended minimal element thickness Removal of support material is still possible None of the above