Answers

2016-07-17T21:32:14+08:00
No. Because of the sandpaper in the middle of the blocks that holds them together.
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2016-07-17T21:32:52+08:00
Yes, I was able to pull the blocks of wood easily because but the other blocks of wood were also moved as pulled the blocks. There is a movement of all the blocks of wood even if I only pulled two blocks.
And also because there is unbalance force.
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