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What are the advantages and disadvantages of balance scale?
A top-pan balance has the advantage of being very simple to use. The user simply places the object to be weighed on the top pan and reads the corresponding weight from the scale. A top-pan balance also has the advantage of being very accurate, as long as it is properly calibrated. A top-pan balance also has several disadvantages. First, it can only be used to weigh objects that can be placed on the top pan. Second, the top pan is often very small, which limits the size of the objects that can be weighed. Finally, top-pan balances are often less sensitive than other types of balances, which means that they are not well suited for weighing very small objects.
What is top pan balance?
It is used to compare the mass of two objects
What are the parts f a triple beam balance?
The main parts of a triple beam balance are the pan on which objects are placed to be weighed, and the three beams (center, front, and rear) with sliding weights that are used to measure the mass of the object. These beams allow for precise adjustments to find the exact weight.
What is the top of a balance scale called?
The top of a balance scale is called the balance pan or balance platform. This is where the object being weighed is placed for measurement.
What are parts of a balance scale?
A balance scale typically consists of a beam or rod that is suspended in the center, with a pan or platform on each end for holding the objects being weighed. There are also measuring marks or indicators on the beam for reading the weight of the objects.
Why are hot objects never placed on a balance pan?
Hot objects are not placed on a balance pan because the heat can cause the pan's material to expand or deform, leading to inaccurate measurements. Additionally, the heat can affect the sensitivity of the balance and may cause the object to evaporate or lose weight.
When chemicals are weighed on a balance how is the pan protected?
To keep the balance clean and to keep chemicals from mixing with other chemicals. Also some chemicals can react with the metal of the balance pan and cause it to corrode or rust. Always use weighing paper or a small dish or beaker to weigh out chemicals.
Why you place an object in left pan of physical balance?
By placing an object in the left pan of a physical balance, you can compare its weight to the weights of other objects placed in the right pan. This allows you to determine the relative weight of the objects in comparison to each other, helping you to measure or compare their masses accurately.
What does a top pan balance measure?
A top pan balance measures the mass of an object placed on the pan by comparing it to a set of standard weights. It is commonly used in laboratories and industries to determine the weight of substances or objects with accuracy.
Why is it important to make sure that the weigh pan is clean before weighing objects?
It is important to ensure the weigh pan is clean before weighing objects to avoid contamination and inaccurate readings. Any residue left on the pan can affect the weight of the object being weighed, leading to incorrect measurements. Keeping the weigh pan clean helps maintain the precision and accuracy of the weighing process.
What type of force is pulling downwards on the pan and weights?
The force pulling downwards on the pan and weights is the force of gravity. This force is acting on all objects with mass towards the center of the Earth.
How does a balance scale look like?
A balance scale in its simplest form has a bar with a pan hanging at either end, and a fulcrum in the middle. A more elaborate (and accurate) design, the triple beam balance, has three bars, with movable weights on them, and only one pan in which to place the object that is to be weighed.
