Iron ball hanging from a scale and suspended

In summary, when an iron ball is suspended from a scale and placed in a glass of water filled to the rim, the reading on the scale will decrease due to the upward force of the water displaced by the ball. The volume of water will remain the same because the volume of the ball is equal to the volume of water displaced. The weight of the glass of water may change, but it is not specified in the given information.
  • #1
UnD3R0aTh
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Iron ball hanging from a scale and suspended...

Iron ball hanging from a scale and suspended in a glass of water filled to the rim, what happens to the reading of the scale, volume of water, and weight of the glass of water?

The attempt at a solution: there's an FB that's equal to the weight of the water removed pushing on the ball upwards, then weight - FB is equal to the tension in the thread, which means weight is less, then reading is less, volume of water stays the same because the volume of the water removed is equal to the volume of the ball, weight of the glass is...i have no idea tbh!

please explain your answer! thanks :)
 
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1. What is the purpose of an iron ball hanging from a scale and suspended?

The purpose of an iron ball hanging from a scale and suspended is to demonstrate the concept of equilibrium in physics. The weight of the ball pulls down on the scale, while the tension in the string holding the ball creates an upward force. When these forces are balanced, the scale will read a constant weight.

2. Why is the iron ball used instead of other objects?

The iron ball is often used because it has a uniform shape and density, making it easier to calculate and measure its weight. It also does not deform easily, ensuring that the forces acting on it are consistent.

3. How does the position of the iron ball affect the scale reading?

The position of the iron ball does not affect the scale reading as long as the ball is hanging in a stable, stationary position. This is because the forces acting on the ball are still balanced, regardless of its position.

4. What happens to the scale reading if the string holding the iron ball breaks?

If the string holding the iron ball breaks, the scale reading will decrease significantly. This is because the only force acting on the scale will be the weight of the ball, causing it to drop.

5. Can the iron ball hanging from a scale and suspended be used to measure weight?

Yes, the iron ball hanging from a scale and suspended can be used to measure weight. By knowing the weight of the ball and the forces acting on it, one can calculate the weight of any object by using the scale reading as a reference.

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