# Home > Actuators > Precision measuring

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**Topic under **Precision measuring

**Source:** web.viu.ca

**File size:** **137.13 KB**

**File type:** **pdf**

**Last download on:**
Thu Apr 12, 2018 02:08:29 AM

__Short Desciption__:

Precision refers to how closely a value is known. There is no such thing as an exact measurement; there is always some uncertainty associated with it

__Summary__:

In this experiment, the linear dimensions and the masses of two similar rectangular blocks are
measured. The volumes, surface areas and densities of the blocks then determined. The ratios
of the linear dimensions, the surface areas and the volumes of the two blocks are compared in
order to examine the effects of linear scaling.

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"MEASUREMENTS, PRECISION AND SCALING INTRODUCTION"

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