11 Questions
What does a scale measure?
Weight of an object
What is often confused with the weight of an object?
Mass
Which law describes the proportionality between mechanical stress and deformation?
Hooke's Law
What type of scales use the elastic deformation of a spring as a measure of weight?
Spring scales
What is the main application of analytical balances?
Quantitative chemical analysis
How do weighing balances function?
By balancing unknown weights with known weights
What is the common accuracy (readability) of analytical balances in the range up to 220 g?
0.01 mg
Which type of analytical balance is suitable for weighing the smallest amounts?
Ultra Micro Balances
How many digits are typically displayed as readout on Ultra-micro balances?
7 digits
Why are precision balances sometimes referred to as 'top-loading balances'?
Because samples are loaded directly onto the weighing pan
What distinguishes human weighing scales used in hospitals from analytical and precision balances?
They are calibrated for medical use
Learn about scales, weight, mass, and how they are measured using different methods such as elastic deformation of a spring based on Hooke's Law. Find out the difference between weight and mass and how they are related.
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