Which of the following surfaces would most likely create the least amount of friction when a wooden block is slid across the surface?

The best choice for this are option 2.

Option 1's surface is a carpet with a lot of dillys to grab the block and hold it back.

while option 4's surface is rough it has still has a flat surface so it will still slide on it with a little less ease.

As for option 1 the carpet has a surface of which has a rough and non smooth runway meaning the strings will grab onto the board and hold it back.

Option 3's surface is similar to option 1's but it has a smoother layout.

(Why so depressed?)

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