Question

Write importance of vertical position of Gravesand apparatus.​

Answer 1

Explanation:

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Answer 2

The importance of the vertical position of Gravesand's apparatus is explained below.

Explanation:

• The Gravesand apparatus is used to find the weight of a given body.
• It is also known as the Parallelogram law of forces apparatus.
• It consists of two hangers with slotted weights held on a vertical board, drawing paper, pins, and a body whose weight is to be determined.
• The suspended weight must never touch the board or table because the effective weight of the object to be measured may vary due to the reaction of the board or table.
• Hence, it is advised to ensure that Gravesand's apparatus ie. its board is held vertical. This can be tested using a plumb line.