Engineering Dynamics (4-8)

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Uploaded by on Oct 9, 2007

engineering dynamics

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Education

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  • Mistake in determination of x and y component of weight force on inclined box. The angle between the weight and the inverted y axis is theta: the angle of the incline, but since this angle is in the third quadrant the cosine gives the y component of force and sine the x component.

    It just happens to work out in this problem since sin45 = cos45, but that won't always e the case.

  • b is a rise of potential energy, refrain from using "work" as a substitute word for potential energy

  • gr8 job! thank uuuuuuuuuuuuuuuuuuuuuuuuuuu!!! keep it up plz!!!

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