Recf mechanical pre test - Study guides, Class notes & Summaries

in order to raise the arm of a roboy, the last of 4 spur gears in a simple gear train must rotate clockwise. in what direction does the input (first) gear turn? : counterclockwise a robot has wheels with 4 inch diameter. Each wheel rolls 5 revolutions on a horizontal surface without slipping. how far did the robot travel? : 62.8 inches which of the following statements is equivalent of the first law of thermodynamics? : energy cannot be created or destroyed one hot day matt's air cond...