I. Force concepts
    A. Four fundamental forces in nature
    B. "Everyday" type forces
    C. Contact vs. Field forces

II. Newton's First Law of Motion
    A. Statement
        1. See page 82 in text
        2. Mathematically, F = 0
        3. Treat x- and y-components independently
            a. Can rewrite the statement in two parts as F_x = 0 and F_y = 0
    B. Applications
        1. Equilibrium problems
            a. First Condition of Equilibrium
            b. Use with Concurrent Forces
            c. Free body diagrams are required
            d. Example
        2. Nature of the forces
            a. Tension or compression
            b. Interpret the signs of the results
            c. Example

III. Newton's Second Law of Motion
        A. Statement
            1. See page 84 in text
            2. Mathematically, F = ma
            3. Treat x- and y-directions independently
                a. Can rewrite the statement in two parts as F_x = ma and F_y = ma
        B. Weight is force due to gravity
            1. w = m g
        C. Applications
            1. Linear one object problems
            2. Inclined planes
            3. Multi-body problems
            4. Friction
        D. Comments
            1. May involve motion equations
            2. Free body diagrams are required
            3. Solve simultaneous equations
        E. Example