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Finding Mass Using the Inertial Balance Theory Physics can be referred to as the study of various properties of matter and energy Matter can best be described by looking at the mass of an object Mass is the amount of material that is in an object Mass can be found by using a spring scale a balance scale or an inertial balance Inertia is the resistance by mass to any change in its state of motion Scientific Law states that mass and inertial forces are directly proportional The purpose of the inertial balance is to measure the different inertias between different masses therefore providing a mathematical and very accurate method of measuring mass Experimentation showed that if a mass was put into some form of periodic motion the mass could be measured fairly accurately by measuring the oscillation period and comparing it to a known mass period The relationship m1m2T12T22 was discovered Objective After completing the experiment we will be able to find the mass of objects using an inertial balance and compare them to accepted measures Materials C-clamps inertial scale a watch with a second hand and a triple beam balance Procedure 1 The class will measure the period of oscillation of their balance pans when they are empty The accepted period will be the average of the class To find the period you will measure the amount of time it takes for your balance to complete 20 oscillations The period T will be computed by taking your time and dividing it by 20 This will be recorded as T2 2 You will then measure the mass of your empty pan including all screws and record this as m2 3You will then measure the mass of one c-clamp Record this as m1 accepted 4Using the inertial balance find the time it would take for 20 oscillations of the c-clamp which should be attached to
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