Podcast
Questions and Answers
What is the SI unit of pressure?
What is the SI unit of pressure?
- Newton
- Pascal (correct)
- Joule
- Watt
When fluids exert pressure on the base and walls of a container, where is this pressure transmitted?
When fluids exert pressure on the base and walls of a container, where is this pressure transmitted?
- In a single direction
- Only downwards
- Only upwards
- Undiminished in all directions (correct)
Why does a ship made of iron and steel float in sea water while a sheet of iron and steel would sink?
Why does a ship made of iron and steel float in sea water while a sheet of iron and steel would sink?
- Due to the difference in the amount of iron and steel used
- Due to the weight distribution in a ship compared to a flat sheet
- Due to the buoyant force exerted by water (correct)
- Due to the shape and volume displacement of the ship
Which term is used to describe the upward force on an object immersed in a fluid?
Which term is used to describe the upward force on an object immersed in a fluid?
How does an externally applied force balance the upward force on a bottle immersed in water?
How does an externally applied force balance the upward force on a bottle immersed in water?
Why did Archimedes discover the principle named after him, according to the text?
Why did Archimedes discover the principle named after him, according to the text?
How did Archimedes determine the purity of the Archimedes gold made for the king?
How did Archimedes determine the purity of the Archimedes gold made for the king?
Which device used in determining the density of liquids is based on Archimedes’ principle?
Which device used in determining the density of liquids is based on Archimedes’ principle?
In Archimedes’ principle, what force does a body experience when immersed in a fluid?
In Archimedes’ principle, what force does a body experience when immersed in a fluid?
How did Archimedes' understanding of mechanics help the Greek army in its war with the Roman army?
How did Archimedes' understanding of mechanics help the Greek army in its war with the Roman army?
What is the SI unit of pressure?
What is the SI unit of pressure?
Why do truck or motorbus tires have much wider contact areas compared to regular car tires?
Why do truck or motorbus tires have much wider contact areas compared to regular car tires?
How does the sharp edge of a cutting tool affect the pressure it exerts?
How does the sharp edge of a cutting tool affect the pressure it exerts?
In which scenario does an object experience higher pressure: when a force is distributed over a larger area or a smaller area?
In which scenario does an object experience higher pressure: when a force is distributed over a larger area or a smaller area?
Why does a camel find it easier to run in a desert compared to other terrains?
Why does a camel find it easier to run in a desert compared to other terrains?
What is the SI unit for pressure?
What is the SI unit for pressure?
If the thrust acting on an object is constant, what factor determines the pressure exerted?
If the thrust acting on an object is constant, what factor determines the pressure exerted?
In the context of fluids, what is the pressure at a given depth proportional to?
In the context of fluids, what is the pressure at a given depth proportional to?
If a rectangular wooden block with dimensions 20 cm × 10 cm is placed on a table, and the same block is then placed with dimensions 40 cm × 20 cm, which placement will exert more pressure on the table?
If a rectangular wooden block with dimensions 20 cm × 10 cm is placed on a table, and the same block is then placed with dimensions 40 cm × 20 cm, which placement will exert more pressure on the table?
In the example of standing on loose sand versus lying down, what is the primary reason for the different effects observed?
In the example of standing on loose sand versus lying down, what is the primary reason for the different effects observed?
What is the SI unit of pressure?
What is the SI unit of pressure?
If a force acts on a smaller area, the pressure exerted will be:
If a force acts on a smaller area, the pressure exerted will be:
Which of the following statements is true regarding the pressure exerted by a solid on a surface?
Which of the following statements is true regarding the pressure exerted by a solid on a surface?
Why do nails have pointed tips, knives have sharp edges, and buildings have wide foundations?
Why do nails have pointed tips, knives have sharp edges, and buildings have wide foundations?
In the context of pressure, what is the difference between solids and fluids?
In the context of pressure, what is the difference between solids and fluids?
When a bottle is pushed deeper into water, the upward force exerted by the water ____________.
When a bottle is pushed deeper into water, the upward force exerted by the water ____________.
In the scenario where an iron nail is placed on the surface of water in a beaker, the nail sinks due to ____________.
In the scenario where an iron nail is placed on the surface of water in a beaker, the nail sinks due to ____________.
The fact that an iron nail sinks in water implies that the weight of the nail is ____________.
The fact that an iron nail sinks in water implies that the weight of the nail is ____________.
When a bottle is released in water, it bounces back to the surface because ____________.
When a bottle is released in water, it bounces back to the surface because ____________.
When a stone is gradually lowered into water, the decrease in the elongation of the string or the reading on the spring balance is due to:
When a stone is gradually lowered into water, the decrease in the elongation of the string or the reading on the spring balance is due to:
The difficulty in pushing a bottle deeper into water indicates an increase in ____________.
The difficulty in pushing a bottle deeper into water indicates an increase in ____________.
The magnitude of the buoyant force experienced by a body immersed in a fluid depends on:
The magnitude of the buoyant force experienced by a body immersed in a fluid depends on:
The SI unit of pressure is ____________.
The SI unit of pressure is ____________.
If two bodies of the same volume are immersed in the same fluid, the one with a higher density will experience:
If two bodies of the same volume are immersed in the same fluid, the one with a higher density will experience:
What happens to the nail placed on the surface of water when it is pulled down by gravity?
What happens to the nail placed on the surface of water when it is pulled down by gravity?
If a body is immersed in two different fluids with the same volume, the fluid with a higher density will exert:
If a body is immersed in two different fluids with the same volume, the fluid with a higher density will exert:
Why does a bottle float when placed in water?
Why does a bottle float when placed in water?
If a body is subjected to a constant force, the pressure exerted by the body on a surface will be:
If a body is subjected to a constant force, the pressure exerted by the body on a surface will be:
What effect does the gravitational attraction of Earth have on the iron nail placed on the surface of water?
What effect does the gravitational attraction of Earth have on the iron nail placed on the surface of water?
What happens when an object is immersed in water?
What happens when an object is immersed in water?
