Final answer:
Starting off on icy roads with manual transmission and conventional tires is easier in 2nd gear. More friction is desirable in sports on grass fields.
Step-by-step explanation:
If you are caught on icy roads with manual transmission and conventional tires, starting off may be easier if you start with the gear lever in 2nd gear. Starting in 2nd gear provides more torque and less power, making it easier to get traction and start moving on icy roads.
Another example where more friction is desirable is when playing sports on a grass field. In soccer, for example, players wear shoes with cleats that provide more friction with the grass, allowing them to make quick movements and maintain stability while running and changing directions.