# Prelab3 - Taylor Dudley 1 You will be using spring gauges...

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Taylor Dudley 1. You will be using spring gauges to measure tension. These work in the same manner as a scale with a hanging tray to measure the weight of small objects at the supermarket (non-electronic). Explain how these manual weight scales work that use tension to measure weight. ? The tension in the spring gauge can be used to determine the weight of a given object. This works by looking at Hooke’s law. 2. What is meant when it is said that forces are in equilibrium? Write the most general equations of motion for forces in equilibrium in three dimensions. ? Forces are in equilibrium when there net force is equal to zero.
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Unformatted text preview: This exists when the object is completely at rest, or the object is moving at a constant velocity. Equilibrium can be show by the equations below. 3. What is the coefficient of friction μ? What is its numerical range? Can it be greater than one? Can it be less than zero? Does it depend on surface area? The coefficient of friction force of two objects and the objects themselves. The numerical range is between 0 and 1 except in special cases. No the friction coefficient can’t be less than zero. Surface area does not play a role in the coefficient of friction....
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• Fall '10
• Gagliardi
• Physics, Force, Work, friction coefficient, numerical range, Taylor Dudley, manual weight scales

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