Tutorial Lesson 2 Questions

1. Some surfaces such as rubber are smooth but have some grip, which causes it to skid, like a shoe when it goes across the floor. When you have steel, its very smooth and anything will slide across it.

2. Well when the angle of the object is increased (going up) the object that is going to slide will not be able to slide the way you wanted it to, because of gravity which is pulling things down, and if u decrease it, it will go down way faster because there is nothing to interfere with gravity itself.

3. I dont understand what it means by "Is it the same for all planes?"


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