Homework Answers
Buoyant force = density of water x volume block x gravity
= 1000 x 100x10-6 x 9.8
= 0.98 N.
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36. A 100-cm' block is submerged in water. What is the buoyant force on the block...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in a fluid is equal to the weight of the fluid that the object displaces. For an object of density po floating partly submerged in a fluid of density pf, the buoyant force is given by F P19 SA(y)dy, where g is the acceleration due to gravity and A(y) is the area of a typical cross-section of the object. The weight of the object is...
2. Iron is denser than plastic. When fully submerged in water, is the buoyant force on...
2. Iron is denser than plastic. When fully submerged in water, is the buoyant force on a solid iron sphere greater than, less than, or equal to the buoyant force on a solid plastic sphere of the same diameter? Explain your answer using the buoyant force equation. a. b. If you instead fully submerge each sphere in ethylene glycol, does the buoyant force on each sphere increase, decrease, or stay the same. Explain your answer using the buoyant force equation....
If we combine the downward force of gravity with the upward buoyant force, we get what...
If we combine the downward force of gravity with the upward buoyant force, we get what is known as the apparent weight of the object, Wapparent = mobject9 – Fbuoyant = PobjectgVtotal – Poutside gVdisplaced · For our experiment this week, we will be looking at a mass submerged in water. The apparent weight will be the weight force due to gravity minus the buoyant force due to the surrounding water. Consider the setup to the right with an object...
A block of wood of mass 2kg floats in water, and it is noted that volume...
A block of wood of mass 2kg floats in water, and it is noted
that volume is 3/4 is submerged. density of water 1000
kg/m3.
a) What is the buoyant force of the block? hint:
V is volume and g is 9.81 m/s2.
b) What is the density of the block?
A 100 kg block of lead with a density of 11,340 kg/m3 is submerged/floating in saltwater...
A 100 kg block of lead with a density of 11,340 kg/m3 is submerged/floating in saltwater with a density of 1024 kg/m3. a) Will the block float? Provide your reasoning and a sketch of the situation. (10 Points) b) What is the force of buoyancy on the lead block? (10 Points) c) What is the force due to gravity on the lead block? d) What is the force of buoyancy on a 100 kg block of wood with a density...
A 4.00 cm x 4.00 cm x 4.00 cm cube of density 920 kg/m3 is floating at rest at the top of a beaker of cross sectional area 100 cm2 with 500 mL of water in it. 500 mL of oil of density 900 kg/m3 is add...
A 4.00 cm x 4.00 cm x 4.00 cm cube of density 920 kg/m3 is floating at rest at the top of a beaker of cross sectional area 100 cm2 with 500 mL of water in it. 500 mL of oil of density 900 kg/m3 is added to the top of the beaker, and the cube is observed to float completely submerged, unevenly straddling the boundary between the oil and water. a. Draw a picture showing the beaker, layers of...
A)An object of volume 7.50×10−4m3 and density 1.15×103kg/m3 is completely submerged in a fluid. Calculate the...
A)An object of volume 7.50×10−4m3 and density 1.15×103kg/m3 is completely submerged in a fluid. Calculate the weight of this object. B)Calculate the buoyant force on this object if the fluid is air (density 1.20 kg/m3). C)Calculate the buoyant force on this object if the fluid is water (density 1.00×103kg/m3). D)Calculate the buoyant force on this object if the fluid is glycerin (density 1.26×103kg/m3)
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block =...
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block = 49 N Step 2: Place the wood block in the water and notice that it floats. When the wood block rests on the ground, the downward gravitational force is balanced by an upward normal (“contact") force. When floating, the gravitational force is still there, but the normal (contact") force is not. The force exerted by the fluid is the buoyant force (B). When floating,...
A wooden block with a masss of 0.5 kg is floating freely in water (pwater= 1000...
A wooden block with a masss of 0.5 kg is floating freely in water (pwater= 1000 kg/m3). upon observation is found that 10% of the volume of the block is sticking abover the surface of water. 12. while the block is floating, what forces are acting on the block? a. buoyant force only b.gravity and buoyant force c.gravity and normal force d.gravity, buoyant force and normal force e. buoyant force and normal force 13. what is the magnitude of the...
A person pushes with a force of 10.0 N on a stick pin to try to...
A person pushes with a force of 10.0 N on a stick pin to try to push it into a bulletin board. If the tip of the needle is a circle with a radius of 0.12 mm, then what is the average pressure on the board at the tip of the pin 2.120E + 08 Pa 1.685E + 08 Pa 2.495E + 08 Pa 2.526E + 08 Pa 1.931E + 08 Pa 2.236E + 08 Pa An object has a...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in a fluid is equal to the weight of the fluid that the object displaces. For an object of density po floating partly submerged in a fluid of density pf, the buoyant force is given by F P19 SA(y)dy, where g is the acceleration due to gravity and A(y) is the area of a typical cross-section of the object. The weight of the object is...
2. Iron is denser than plastic. When fully submerged in water, is the buoyant force on a solid iron sphere greater than, less than, or equal to the buoyant force on a solid plastic sphere of the same diameter? Explain your answer using the buoyant force equation. a. b. If you instead fully submerge each sphere in ethylene glycol, does the buoyant force on each sphere increase, decrease, or stay the same. Explain your answer using the buoyant force equation....
If we combine the downward force of gravity with the upward buoyant force, we get what is known as the apparent weight of the object, Wapparent = mobject9 – Fbuoyant = PobjectgVtotal – Poutside gVdisplaced · For our experiment this week, we will be looking at a mass submerged in water. The apparent weight will be the weight force due to gravity minus the buoyant force due to the surrounding water. Consider the setup to the right with an object...
A block of wood of mass 2kg floats in water, and it is noted
that volume is 3/4 is submerged. density of water 1000
kg/m3.
a) What is the buoyant force of the block? hint:
V is volume and g is 9.81 m/s2.
b) What is the density of the block?
A 100 kg block of lead with a density of 11,340 kg/m3 is submerged/floating in saltwater with a density of 1024 kg/m3. a) Will the block float? Provide your reasoning and a sketch of the situation. (10 Points) b) What is the force of buoyancy on the lead block? (10 Points) c) What is the force due to gravity on the lead block? d) What is the force of buoyancy on a 100 kg block of wood with a density...
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block = 49 N Step 2: Place the wood block in the water and notice that it floats. When the wood block rests on the ground, the downward gravitational force is balanced by an upward normal (“contact") force. When floating, the gravitational force is still there, but the normal (contact") force is not. The force exerted by the fluid is the buoyant force (B). When floating,...
A person pushes with a force of 10.0 N on a stick pin to try to push it into a bulletin board. If the tip of the needle is a circle with a radius of 0.12 mm, then what is the average pressure on the board at the tip of the pin 2.120E + 08 Pa 1.685E + 08 Pa 2.495E + 08 Pa 2.526E + 08 Pa 1.931E + 08 Pa 2.236E + 08 Pa An object has a...
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