to determine the mass of a given body using a metre scale by principle of moments . Please provide me the observational data on this activity.
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To determine mass of the given body using a meter scale by principle of moments. To determine mass of a given body using a meter scale by principle of moments. A meter scale, a board heavy wedge with sharp edge, a weight box, a body of unknown mass. Or m=Ma1/a1 which can be calculated.
Finding the mass of a given body:
To determine the mass of a given body using a meter scale by the principle of moments, find the following observational data:
The length of the meter scale: Measure the length of the meter scale using a tape measure or ruler.
The position of the pivot point: To determine the position of the pivot point Place the meter scale on a flat surface, and determine the position by trial and error method.
The position of the body: Place the body to be weighed on the meter scale, and determine its position relative to the pivot point. For this measure the distance from the axle point to the center of mass of the body.
The weight of the counterweight: Place a counterweight on the other side of the pivot point to balance the meter scale. Determine the weight of the counterweight using a scale or balance.
Using these observational data, you can apply the principle of moments to determine the mass of the body. The principle of moments states that the total clockwise moment is equal to the total anticlockwise moment about a pivot point in equilibrium.
In this, the anticlockwise moment will equal the product of the weight of the body and the distance from the pivot point to the center of mass of the body.
Similarly, The clockwise moment is the product of the weight of the counterweight and the distance from the pivot point to the counterweight.
By setting these two moments equal, you can solve for the mass of the body.
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