Apr 19

Tips for Chapter 8

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1. Read the question carefully if there is any smooth surface or if there is impending.

2.If there is no enough info, Assume!!

3.Draw the direction of the forces and label them.

4. In case of screws, let the force to be downward and then decide if the screw is moving up or down.

5. In case of belt, specify the direction first.

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