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A gas like air, is marked by lower density of molecules than a solid or liquid. Friction is caused by molecules bumping into eachother, so the more molecules there are to run into, the higher the friction. So, air has less molecules per cubic foot and therefore has less density and less friction than water.
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Is a boat increasing or decreasing friction?
A boat increases friction as it moves through water due to drag created by the water resistance against the hull. The larger the surface area of the hull in contact with the water, the greater the friction and resistance to movement.
What friction is greater than sliding friction?
Static friction is greater than sliding friction. Static friction occurs when an object is at rest and an external force is being applied to move it, requiring a greater force to overcome the initial resistance compared to when the object is already in motion and experiencing sliding friction.
Is it true that kinetic friction is always greater than the maximum value of static friction?
Yes, it is generally true that kinetic friction is always greater than the maximum value of static friction.
Why is friction greater at greater speeds?
It isn't always - for instance: static friction (standing still) is greater than moving friction. BUT, Air resistance (or water resistance for boats) increases with speed - quite rapidly. The reason for the increase is that you must move the fluid out of the way in less time as you speed up.
What value of the coefficient of friction the greater the resistance to sliding?
The greater the coefficient of friction between two surfaces, the greater the resistance to sliding between them. The coefficient of friction is a measure of the amount of friction between two surfaces, with higher values indicating a stronger resistance to sliding.
Which friction is greater sliding friction or static friction?
Static friction
Is a boat increasing or decreasing friction?
A boat increases friction as it moves through water due to drag created by the water resistance against the hull. The larger the surface area of the hull in contact with the water, the greater the friction and resistance to movement.
What friction is greater than sliding friction?
Static friction is greater than sliding friction. Static friction occurs when an object is at rest and an external force is being applied to move it, requiring a greater force to overcome the initial resistance compared to when the object is already in motion and experiencing sliding friction.
Static friction is usually greater than?
kinetic friction
What is Static friction is usually greater than?
sliding friction
Is rolling friction or fluid friction greater?
Fluid friction is greater.By: Adarsh kv1
Which has more dragging force water or paste and why?
Paste is considered to have more dragging force. Although water is considered to be denser then paste, paste creates more friction. The higher the level of friction, the greater the drag.
Is it true that kinetic friction is always greater than the maximum value of static friction?
Yes, it is generally true that kinetic friction is always greater than the maximum value of static friction.
Why is friction greater at greater speeds?
It isn't always - for instance: static friction (standing still) is greater than moving friction. BUT, Air resistance (or water resistance for boats) increases with speed - quite rapidly. The reason for the increase is that you must move the fluid out of the way in less time as you speed up.
What value of the coefficient of friction the greater the resistance to sliding?
The greater the coefficient of friction between two surfaces, the greater the resistance to sliding between them. The coefficient of friction is a measure of the amount of friction between two surfaces, with higher values indicating a stronger resistance to sliding.
Which coefficient of friction is greater static or kinetic?
The coefficient of static friction is greater than the coefficient of kinetic friction. Static friction occurs when an object is at rest and must be overcome to start moving, leading to a higher coefficient compared to kinetic friction, which occurs when an object is already in motion.
Can the coefficient of static friction be equal to the coefficient of kinetic friction?
No, the coefficient of static friction is typically greater than the coefficient of kinetic friction.
