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What is a lever balance?
A lever balance is a simple machine used to measure weights by comparing an unknown weight to a known weight. It consists of a bar that pivots on a fulcrum, with the two sides of the bar holding the weights. When the lever is balanced, the weights on each side are equal.
What is precision balance?
A precision balance is a type of weighing instrument used to accurately measure the weight of small items or substances. It typically has a high level of precision and can measure weights to very small increments, often to the milligram or microgram level. Precision balances are commonly used in scientific research, laboratories, and industrial settings where precise measurements are essential.
What is a balance beam and how is it used in a laboratory?
A balance beam is a measuring instrument to determine mass by balancing an unknown mass against a known mass. In a laboratory, a balance beam is commonly used to measure the mass of chemicals, reagents, or samples with precision by comparing their mass to a set of known weights on the other side of the beam.
How is a lever balance used to measure mass?
A lever balance is used to measure mass by comparing the weight of an object on one side of the lever to a set of known weights on the other side. The lever is adjusted until the two sides are balanced, indicating that the weights are equal and providing the measure of the object's mass.
What is the function of weight hanger?
A weight hanger is used to suspend weights on a laboratory balance in order to measure the mass of objects. By adding or removing weights to the hanger, scientists can calibrate the balance to accurately measure the mass of an object in grams or other units.
Why do you need standars unit?
to measure weights and measures.
What metric unit of measure should you use to measure 85 pound weights?
Newtons.
What weights and measure inspectors do?
Weights and Measures Inspectors test and verify weighting and measuring equipment for trade use.
If you have to measure weight using a simple 2 pan scale You can place weights on both side and you need to measure all weights between 1 and 250?
you need just 6 weights... 1, 3, 5, 29, 81 and 243
Who uses scientific notation?
Scientists, Mathematicians and Engineers generally use scientific notation. In particular, those scientists and engineers who have to measure distances, weights or volumes of a very large or very small size. Astronomers, for example, may measure the distance of stars that are billions of billions of light years away. Wouldn't you rather write 4.9 * 1015 instead of 4,900,000,000,000,000?
How can measure WEIGHT of tube?
Use a pair of balances and standard weights.
What weights 100 kilograms?
Nothing. 100 kilograms is a measure of mass, not weight.
What is An equal-arm balance used to measure?
The thing you put weights on is called the pan. The thing that is horizontal and has the pans attached to it is called the arm. The triangle on the arm is the fulcrum. The scale is the lines on the base that sometimes have numbers below each line. The base is the bottom half of the balance. The metal pieces that are on both sides of the arm, they are adjustable, are the metal riders. The pointy piece that is under the fulcrum, it moves when you measure, is the pointer.
What kind of scale is used to measure weight?
Scales used to measure weight include: * Spring scale - measures the increased length of a spring as it stretches * Balance scale - uses a horizontal lever to compare unknown weights to that of known weights
Instruments used to measure metric?
"Metric" is a whole system of weights and measurements. Many different devices are used to measure things in the system.
What does weighted average mean?
The weighted arithmetic mean is used, if one wants to combine average values from samples of the same population with different sample sizes: : The weights wi represent the bounds of the partial sample. In other applications they represent a measure for the reliability of the influence upon the mean by respective values. rhinostar
Why would it be a bad idea to measure and compare the weights of the doughs?
because there is a different amount of air in them.
