Answer. The pressure exerted on a surface by an object increases as the weight of the object increases or the surface area of contact decreases. Alternatively the pressure exerted decreases as the weight of the object decreases or the surface area of contact increases.
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Contents
- 1 How can you show that pressure exerted increases with depth?
- 2 How does pressure change with force?
- 3 How does pressure vary with area and force?
- 4 What force causes pressure?
- 5 Does pressure increase with increase in force?
- 6 What happens to pressure when force decreases?
- 7 How does pressure vary with change in force explain with the help of an example?
- 8 How is pressure gradient force balances?
- 9 How would you show that water pressure increases with the increase in the depth of the water?
- 10 How can you show that pressure is exerted in all directions?
- 11 What happens to pressure when area increases?
- 12 What is pressure What does pressure depend on?
- 13 How do you increase pressure in physics?
- 14 Why does pressure increase with density?
- 15 What are the factors that affect pressure?
- 16 What happens to pressure when force increases and the force is keep in constant?
- 17 How can you increase or decrease pressure acting on a body?
- 18 How does pressure gradient force and Coriolis force affects the geostrophic wind?
- 19 What is high pressure and low pressure in geography?
- 20 How does pressure gradient force affect wind?
- 21 What happens to water when pressure increases?
- 22 How is pressure increased?
- 23 Why does pressure increase when temperature increases?
- 24 How would you demonstrate that water exerts equal pressure in all directions?
- 25 How would you demonstrate that water exerts equal pressure in all direction explain?
- 26 How will you show that the pressure exerted by a liquid on the base of the container depends on the height of its column?
- 27 How do you find the force?
- 28 What happens to the pressure when the surface area over which a force is applied increases?
- 29 How does pressure affect density?
- 30 Which example increases pressure?
- 31 How do you get pressure?
- 32 Which of the following would increase the pressure on a system?
- 33 How do you increase gas pressure?
- 34 What are the three ways to increase pressure of a gas?
- 35 What happens to pressure when force increases and the surface area is keep in constant Brainly?
- 36 How does pressure act on the body?
- 37 What are the ways in which we reduce the pressure and increase the pressure for our convenience?
- 38 Can we reduce the pressure by increasing area Support your answer with an example?
- 39 What causes high pressure and low pressure?
- 40 What happens when high pressure meets low pressure?
- 41 Why does high pressure move to low pressure?
- 42 How does high pressure low pressure the pressure gradient force and the Coriolis effect combine to make winds?
- 43 How is air pressure affected with increase in wind speed?
- 44 How do you find pressure gradient force?
- 45 What is a pressure gradient What is pressure gradient force and how does air flow if this is the only force operating in the atmosphere?
- 46 How does Coriolis force balance pressure gradient force?
- 47 Where is the pressure gradient force directed from higher pressure toward lower pressure?
How can you show that pressure exerted increases with depth?
If we pour more water in the plastic bottle to increase depth, we will see that the bulge in the rubber sheet increases. This indicates that the pressure exerted by water increases with increasing depth. (1) The pressure exerted by a liquid on the walls of container increases with increasing depth.
How does pressure change with force?
PRESSURE IS DIRECTLY PROPORTIONAL TO FORCE APPLIED TO ANY BODY AS PRESSURE= FORCE /AREA .. THERE FORE PRESSURE VARIES WITH CHANGE IN FORCE. FOR EXAMPLE- IF YOU APPLY MORE FORCE ON A IRON NAIL TO PUT IT INTO THE WALL.. MORE PRESSURE WILL BE APPLIED BY THE NAIL ON THE WALL..
How does pressure vary with area and force?
I.e, pressure is inversely proportional to area upon which it acts. Thus asarea increases pressure acting on it decreases. Play planning poker with your distributed team. … As areaincreases, velocity decreases and hence pressure increases by using Bernoulli’s Eqn.
What force causes pressure?
Pressure is a stress. It is a scalar given by the magnitude of the force per unit area. In a gas, it is the force per unit area exerted by the change of momentum of the molecules impinging on the surface.
Does pressure increase with increase in force?
When the force acting on a surface increases, the pressure on a given area. When the force acting on a surface increases, the pressure on a given area.
What happens to pressure when force decreases?
Since pressure is defined as Force/Area, a decrease in the area over which force is applied would result in an increase in pressure on this area.
How does pressure vary with change in force explain with the help of an example?
PRESSURE IS DIRECTLY PROPORTIONAL TO FORCE APPLIED TO ANY BODY AS PRESSURE= FORCE /AREA .. THERE FORE PRESSURE VARIES WITH CHANGE IN FORCE. FOR EXAMPLE- IF YOU APPLY MORE FORCE ON A IRON NAIL TO PUT IT INTO THE WALL.. MORE PRESSURE WILL BE APPLIED BY THE NAIL ON THE WALL.
How is pressure gradient force balances?
When a fluid is in an equilibrium state (i.e. there are no net forces, and no acceleration), the system is referred to as being in hydrostatic equilibrium. In the case of atmospheres, the pressure-gradient force is balanced by the gravitational force, maintaining hydrostatic equilibrium.
How would you show that water pressure increases with the increase in the depth of the water?
This is due to an increase in hydrostatic pressure, the force per unit area exerted by a liquid on an object. The deeper you go under the sea, the greater the pressure of the water pushing down on you. For every 33 feet (10.06 meters) you go down, the pressure increases by one atmosphere .
How can you show that pressure is exerted in all directions?
Now make holes in all the directions. Now fill with water. The water comes out of the bottle in all the direction. This shows that liquids exert pressure in all direction.
What happens to pressure when area increases?
The pressure on a surface is inversely proportional to the area of the surface, provid-ed that the force applied on it remains constant. Therefore, the pressure will decrease if the area on which it is applied is increased.
What is pressure What does pressure depend on?
(1)It depends on force applied. (2)Area over in which force acts. The same force can produce different pressure depending upon area in which it acts. When the force acts over a large area,the pressure produced is less. Pressure = Force/Area.
How do you increase pressure in physics?
To increase pressure – increase the force or reduce the area the force acts on. To cut up your dinner you can either press harder on your knife or use a sharper one (sharper knives have less surface area on the cutting edge of the blade). To reduce pressure – decrease the force or increase the area the force acts on.
Why does pressure increase with density?
As shown in the equation, the height of the column isn’t the only thing that affects the pressure, the density of the liquid does too. As the density of the liquid increases, so does the pressure.
What are the factors that affect pressure?
Temperature, pressure, volume and the amount of a gas influence its pressure.
What happens to pressure when force increases and the force is keep in constant?
P=AF. According to the formula above: 1) If the force increases and the surface area is keep in constant the pressure increases.
How can you increase or decrease pressure acting on a body?
- Changing the magnitude of force- Since pressure is the measure of force acting per unit area on a body, changing the force will change the amount of pressure exerted.
- Changing the area on which force is exerted- If the area of contact is decreased, pressure increases.
How does pressure gradient force and Coriolis force affects the geostrophic wind?
As the wind speed increases because of the pressure gradient force, the Coriolis force strengthens and moves the parcel causing the parcel to travel in a curved path. Eventually the Coriolis force and the pressure gradient force are equal and acting in opposite directions.
What is high pressure and low pressure in geography?
Areas where the air is warmed often have lower pressure because the warm air rises. These areas are called low pressure systems. Places where the air pressure is high, are called high pressure systems. A low pressure system has lower pressure at its center than the areas around it.
How does pressure gradient force affect wind?
The speed of the wind is directly proportional to the pressure gradient meaning that as the change in pressure increases (i.e. pressure gradient increases) the speed of the wind also increases at that location.
What happens to water when pressure increases?
If the pressure above a liquid is increased sufficiently, the liquid forms a solid. If the pressure above a liquid is decreased sufficiently, the liquid forms a gas.
How is pressure increased?
More collisions mean more force, so the pressure will increase. When the volume decreases, the pressure increases. This shows that the pressure of a gas is inversely proportional to its volume.
Why does pressure increase when temperature increases?
This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased. This means that they have more collisions with each other and the sides of the container and hence the pressure is increased.
How would you demonstrate that water exerts equal pressure in all directions?
If you bore holes at different places at same level on the plastic bottle and pressed pour the water in it then you will observe that the water will come out with same pressure through each hole bored in bottle.
How would you demonstrate that water exerts equal pressure in all direction explain?
Take a plastic bottle in a tub , fill it with water,make 4 holes around the bottle at equal heights, we can see that water flows out with equal pressure from all holes. thus we observe that liquids exert equal pressure at same depth.
How will you show that the pressure exerted by a liquid on the base of the container depends on the height of its column?
Observe the bulge in the rubber sheet and height of water column in the pipe. It is observed that as the height of water column increases the bulge in the rubber sheet also increases. This shows that pressure exerted by water at the bottom of the container increases with increasing height of water column.
How do you find the force?
Learning the Formula. Multiply mass times acceleration. The force (F) required to move an object of mass (m) with an acceleration (a) is given by the formula F = m x a. So, force = mass multiplied by acceleration.
What happens to the pressure when the surface area over which a force is applied increases?
pressure decreases when the surface area over which a force is applied increases.
How does pressure affect density?
Density is directly proportional to pressure and indirectly proportional to temperature. As pressure increases, with temperature constant, density increases. Conversely when temperature increases, with pressure constant, density decreases.
Which example increases pressure?
1. A sharp knife cuts more effectively than a blunt knife as it has a very small surface area and exerts more pressure. 2. A nail has a pointed edge so that it exerts more thrust or pressure.
How do you get pressure?
- To calculate pressure, you need to know two things:
- Pressure is calculated using this equation:
- pressure = force ÷ area.
Which of the following would increase the pressure on a system?
The pressure on a system will increase by increasing the temperature, decreasing the volume, pumping more number of gas.
How do you increase gas pressure?
- Add more gas. More molecules mean more collisions. …
- Decrease the volume. Less space means less room for the atoms to move in and this will lead to more collisions and more pressure.
- Increase the temperature.
What are the three ways to increase pressure of a gas?
- Increase the amount of gas. This is represented by the “n” in the equation. …
- Increase the temperature of the gas. This is represented by “T” in the equation. …
- Decrease the volume of the gas. This is the “V” in the equation.
What happens to pressure when force increases and the surface area is keep in constant Brainly?
For force being constant pressure is inversely proportional to area. Thus, on increasing Area pressure will definitely decrease!
How does pressure act on the body?
pressure acts in all directions at a point inside a gas. At the surface of a gas, the pressure force acts perpendicular to the surface. Turning to the larger scale, the magnitude of pressure force is equal to the pressure (force/area) times the surface area, and the direction is perpendicular to the surface.
What are the ways in which we reduce the pressure and increase the pressure for our convenience?
What are the ways in which we reduce the pressure and increase the pressure for our convenience? pressure can be reduced by increasing the suarface area in contact. pressure can be increased by reducing the surface are in contact.
Can we reduce the pressure by increasing area Support your answer with an example?
The pressure on a surface is inversely proportional to the area of the surface, provided that the force applied on it remains constant. Therefore, the pressure will increase if the area on which it is applied is decreased. eg-it is difficult for us to walk on sand, because our feet sink into it.
What causes high pressure and low pressure?
Areas of high and low pressure are caused by ascending and descending air. As air warms it ascends, leading to low pressure at the surface. As air cools it descends, leading to high pressure at the surface.
What happens when high pressure meets low pressure?
If you pop the balloon the high pressure escapes to the low pressure areas, this holds true with the atmosphere. Air wants to move away from high pressure to areas of lower pressure. In fact, the stronger the high and the stronger the low the faster the air will move. This is called the “pressure gradient”.
Why does high pressure move to low pressure?
As the atmosphere heats, the warmer air rises which creates areas of lower pressure. The colder, denser air forming adjacent high pressure systems moves to fill in the space left by the rising warmer air.
How does high pressure low pressure the pressure gradient force and the Coriolis effect combine to make winds?
Wind is caused by a pressure gradient force, which is air moving from an area of high pressure to one of low pressure. It’s curved by a Coriolis Effect caused by the rotation of the Earth. And it’s veered and backed by surface friction close to the ground.
How is air pressure affected with increase in wind speed?
The kinetic energy or momentum of a moving air mass is converted in static atmospheric pressure as the air mass slows down. This means that higher wind speeds will show lower air pressure readings.
How do you find pressure gradient force?
PG = (pressure difference) / distance • Pressure gradient force goes from high pressure to low pressure.
What is a pressure gradient What is pressure gradient force and how does air flow if this is the only force operating in the atmosphere?
The pressure gradient force (PGF) is a force from high to low pressure over a distance. Without differences in pressure, there would be no wind because there would be nothing to accelerate airflow. In Chapter 9 we learned about isobars, or lines of constant pressure.
How does Coriolis force balance pressure gradient force?
The Coriolis force being perpendicular to the velocity, acts exactly in the opposite direction of the pressure gradient and thus balances it out (in other words, the green line and the red line are in perfectly opposing directions).
Where is the pressure gradient force directed from higher pressure toward lower pressure?
The pressure gradient force is directed from higher pressure toward lower pressure: only at the equator.
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