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How do you find the buoyant force with weight and apparent weight?

How do you find the buoyant force with weight and apparent weight?

It turns out that this buoyant force is equal to the weight of the fluid displaced by the object. The “apparent weight” can be found using a free body diagram: Apparent weight is equal to the actual weight (w=mg) less the buoyant force pushing up on the object.

How do you think Archimedes measured the volume of the crown?

So now, all that remained for Archimedes to do was to compare the volume of the crown to the volume of the amount of gold that Hiero had given the goldsmith. The simplest method of determining the volume of the crown would have been to melt it down, shape it into a cube and measure its volume.

How do you find the density of a liquid using the Archimedes Principle?

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The volume of water displaced Vw can be found by solving the equation for density ρ=mV ρ = m V for V.

How is Archimedes Principle calculated?

Archimedes’ Principle formula:

  1. F = V * g * (ρf – ρ0) where:
  2. V: Volumen of the Object, in m3
  3. F: Buoyant force of the object, in Newton.
  4. g: acceleration due to gravity, is 9.80665m/s^2.
  5. ρf: Density of the object.
  6. ρ0: Density of the fluid.

What is the formula of apparent weight?

Answer: Apparent weight generally refers to the weight of the object when suspended freely in water. Here, an upward force (known as buoyancy) acts up. This is the weight of the water displaced by the volume of the object. Thus, Wt = M*g.

How Archimedes solve the gold crown problem?

According to legend, Archimedes weighed the king’s crown. Then he got a piece of pure gold that weighed the same amount as the crown. He placed the gold into a bowl of water, measured how much it made the water rise, and took the gold out.

What is the volume of a crown?

Silver has a density of 10.5 grams/cubic-centimeter and so the gold-silver crown would have a volume of 700/19.3 + 300/10.5 = 64.8 cubic-centimeters. Such a crown would raise the level of the water at the opening by 64.8/314 = 0.206 centimeters.

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How can you determine the density of a solid object using Archimedes Principle?

The difference between the real and effective mass therefore gives the mass of water displaced and allows the calculation of the volume of the irregularly shaped object (like the king’s crown in the Archimedes story). The mass divided by the volume thus determined gives a measure of the average density of the object.

How do you calculate weight displacement of water?

The weight of the displaced fluid can be found mathematically. The mass of the displaced fluid can be expressed in terms of the density and its volume, m = ρV. The fluid displaced has a weight W = mg, where g is acceleration due to gravity. Therefore, the weight of the displaced fluid can be expressed as W = ρVg.

How did Archimedes determine if a crown was made with gold?

The King of Syracuse reportedly requested Archimedes’ advice for determining if a crown was made with the appropriate mixture of gold and silver. Archimedes devised a method requiring the following measurements: the volume of water displaced by an equal mass (that is, equal to the mass of the crown) of gold when submerged in the water,

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How do you find the volume of a solid gold crown?

Measuring the two water levels indicated and subtracting gives the volume of the crown which is the same as the volume of the water displaced when it is submerged. We are given that a solid gold crown would displace a volume of water while a solid silver crown would displace a volume of water.

How did Archimedes measure the volume of water displaced by gold?

Archimedes devised a method requiring the following measurements: the volume of water displaced by an equal mass (that is, equal to the mass of the crown) of gold when submerged in the water, the volume of water displaced by an equal mass of silver when submerged in water. How much water would a solid gold crown displace?

What is the total amount of water displaced by a crown?

We are given that a solid gold crown would displace a volume of water while a solid silver crown would displace a volume of water. If the crown is half silver and half gold by volume, the silver half would displace and the gold half would displace. So the total amount of water displaced by a crown which is half silver and half gold would be