1. What Is Weight Of Object In Water?

The weight of an object in water differs from its weight in air due to buoyancy. This phenomenon occurs because water exerts an upward force on objects submerged in it, effectively reducing their apparent weight.

2. How Does The Calculator Work?

The calculator uses the buoyancy formula:

Where:

• \( Weight_{water} \) — Apparent weight in water (N)
• \( Weight_{air} \) — Weight in air (N)
• \( Density_{water} \) — Density of water (typically 1000 kg/m³)
• \( Density_{object} \) — Density of the object (kg/m³)

Explanation: The formula calculates the reduction in weight due to the buoyant force, which depends on the density difference between the object and water.

3. Importance Of Buoyancy Calculation

Details: Understanding apparent weight in water is crucial for various applications including shipbuilding, underwater construction, scientific experiments, and understanding Archimedes' principle in physics.

4. Using The Calculator

Tips: Enter weight in air in newtons (N), object density and water density in kg/m³. Water density is typically 1000 kg/m³ for fresh water at 4°C. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why does an object weigh less in water?
A: Due to buoyancy - water exerts an upward force equal to the weight of the displaced water, reducing the apparent weight.

Q2: What if the object floats?
A: If the object's density is less than water, the calculated weight will be negative, indicating the object floats and has positive buoyancy.

Q3: Does water temperature affect the result?
A: Yes, water density changes with temperature. For precise calculations, use the correct density for the water temperature.

Q4: How does saltwater differ from freshwater?
A: Saltwater has higher density (about 1025 kg/m³), which creates more buoyancy than freshwater.

Q5: Can this calculator be used for other fluids?
A: Yes, by changing the fluid density value, you can calculate apparent weight in any fluid.