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7.1 Vectors as Forces Part Two

7.1 Vectors as Forces Part Two - 7..notebook...

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7.1 Vectors as Forces Part Two.notebook 1 September 24, 2009 Example #1: Method 1 ‐ Triangle Forces T 1 T 2 F g Position Diagram Vector Diagram 62 o 35 o A particle of mass 5 kg is suspended from a horizontal ceiling by two strings that make angles of 35 o and 62 o with the ceiling. Calculate the tension (tensional force) in these strings. 7.1 Vectors as Forces ‐ Part Two Note: The tension in each rope is what balances the force of gravity and keeps the object in a state of equilibrium. Method 2 ‐ Resolution of Forces T 1 T 2

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7.1 Vectors as Forces Part Two.notebook 2 September 24, 2009 Example #2: The three stooges (Larry, Curly and Moe) are trying to move a piano. Larry applied a force of 700 N [S 60 o W], Moe applies a force of 900 N [N 30 o E], and Curly applied a force of 1000 N [S 45 o E]. (a) Draw a position diagram for the piano. (b) Draw a vector diagram for the piano. (d) Calculate the equilibrant force. (c) Calculate the resultant force, and express it as a magnitude and direction.
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