Task: Explanation
Input (English): Question: Dawn is screwing in a screw so she can hang a picture on the wall. Because the threads are really close together, the force that Dawn must apply to get the screw into the wall is 
 Answer: lesser
Output (English): The trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.