
What is tractive force?
Answer
433.2k+ views
Hint:The terms tractive effort and tractive force are frequently used interchangeably in railway engineering to characterise a locomotive's pulling or pushing capacity. The words are distinct in automobile engineering: Because of the amount of rolling resistance, tractive effort is usually larger than tractive force.
Complete answer:
Traction, also known as tractive force, is a force that is used to induce motion between a body and a tangential surface by using dry friction, however shear force from the surface is also widely utilised. When this is the case, traction is commonly stated as the ratio of the maximal tractive force to the normal force, which is referred to as the coefficient of traction (similar to coefficient of friction). It is the force that causes an item to move across a surface despite all opposing forces like friction, normal loads, air resistance, rolling resistance, and so on. Traction is a physical process in which a tangential force is communicated across an interface between two bodies by dry friction or an intervening fluid film, resulting in motion, halt, or power transfer.
Tractive force is closely connected to tractive effort and drawbar pull in vehicle dynamics, albeit all three concepts have different meanings.
The amount of traction between two surfaces is determined by numerous factors:
Each surface's material composition.
Shapes on a macroscopic and microscopic scale.
Contact surfaces are pressed together by normal force.
Lubricants and adhesives are examples of contaminants found near the material barrier.
Traction is determined by the relative motion of tractive surfaces; a sliding item (one that is in kinetic friction) has less traction than a non-sliding item (one in static friction).
The available traction of a tyre typically varies between turning, accelerating, and stopping, depending on the direction of traction relative to some coordinate system.
Note:
Starting tractive effort, continuous tractive effort, and maximum tractive effort are all terms used to describe tractive effort. The input torque to the driving wheels, the wheel diameter, the coefficient of friction between the driving wheels and the supporting surface, and the weight imparted to the driving wheels are all mechanical elements that are connected in these terms (m).
Complete answer:
Traction, also known as tractive force, is a force that is used to induce motion between a body and a tangential surface by using dry friction, however shear force from the surface is also widely utilised. When this is the case, traction is commonly stated as the ratio of the maximal tractive force to the normal force, which is referred to as the coefficient of traction (similar to coefficient of friction). It is the force that causes an item to move across a surface despite all opposing forces like friction, normal loads, air resistance, rolling resistance, and so on. Traction is a physical process in which a tangential force is communicated across an interface between two bodies by dry friction or an intervening fluid film, resulting in motion, halt, or power transfer.
Tractive force is closely connected to tractive effort and drawbar pull in vehicle dynamics, albeit all three concepts have different meanings.
The amount of traction between two surfaces is determined by numerous factors:
Each surface's material composition.
Shapes on a macroscopic and microscopic scale.
Contact surfaces are pressed together by normal force.
Lubricants and adhesives are examples of contaminants found near the material barrier.
Traction is determined by the relative motion of tractive surfaces; a sliding item (one that is in kinetic friction) has less traction than a non-sliding item (one in static friction).
The available traction of a tyre typically varies between turning, accelerating, and stopping, depending on the direction of traction relative to some coordinate system.
Note:
Starting tractive effort, continuous tractive effort, and maximum tractive effort are all terms used to describe tractive effort. The input torque to the driving wheels, the wheel diameter, the coefficient of friction between the driving wheels and the supporting surface, and the weight imparted to the driving wheels are all mechanical elements that are connected in these terms (m).
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