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What is the source of friction?
Friction is a result of the interactions between surfaces that are in contact, more precisely, it arises from microscopic interactions between jagged natures of surfaces. Friction is present even when an item is not moving.
What is friction between moving parts of an engine?
Friction is cut down in a car engine for two very important reasons. First, cutting down friction increases horsepower. It takes horsepower to overcome friction; so anything that can be done to cut down friction will increase the horsepower. Second, friction causes heat to be produced. Too much heat is bad, because if the engine gets too hot, then metal is softened and weakened, leading to failure of engine parts. The engine has a cooling system to remove unwanted heat, but too much friction would require a larger and more efficient cooling system to remove the excess heat, which would add expense and weight to the car. Motor oil is used to cut down the friction in the car engine. Also, very close tolerances in production of engine parts helps to cut down friction.
What is the difference between Static and Kinetic Friction?
Between any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction. When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion. Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Describe three different ways to decrease the force of friction between two surfaces that are moving past each other?
Three ways to decrease the force of friction are- 1.)Polishing 2.)Lubrication 3.)Ball Bearings
What causes static build up on moving vehicles?
The static build up on moving vehicles is caused by the friction between the moving vehicle and air. This works best on dry days.
How is friction cut down in a car engine?
Friction in a car engine is reduced by using proper lubrication, such as engine oil, to create a smooth surface between moving parts. Additionally, improving the design and materials of engine components can help minimize friction. Regular maintenance and keeping the engine's parts clean can also help reduce friction.
Name the force that exists between the moving parts of a machine and how can this be reduced?
Friction. It can be reduced by lubricating substances such as oil.
How is friction reduced on modern cars?
Friction is reduced on modern cars by using low-friction materials for components like engine parts and tires. Additionally, advancements in lubricants and oils help reduce friction between moving parts. Aerodynamic design also plays a role in reducing drag, which can decrease friction as the car moves through the air.
How is friction reduced in a motor?
Friction in a motor can be reduced by using lubricants on moving parts to create a barrier between surfaces, using ball bearings or roller bearings to minimize direct contact between moving parts, and ensuring proper alignment and balance of components to reduce unnecessary friction. Additionally, using materials with low coefficients of friction can help reduce friction in a motor.
How oil help a moving object?
Oil reduces the effects of friction between the surfaces that are in contact with each other. If you have oil on the road it is not helpful as the moving car will slide around because the friction between the tires and road is reduced.
What substance is added to an engine to decrease friction?
Engine oil is added to an engine to decrease friction between moving parts. The oil forms a lubricating film between the surfaces, reducing wear and heat generation.
What is the friction between moving particles called?
The friction between moving particles is called friction.
Would there be more friction between A snowboard gliding across snow or moving a box on carpet and why?
There would be more friction between the box moving on carpet. This is because the rough surface of the carpet creates more resistance and friction compared to the smoother surface of the snow. Snowboards are designed to glide easily on snow due to the reduced friction between the smooth base of the snowboard and the snow.
What is static friction and kinetic friction?
Static friction is the friction between two objects that are not moving relative to each other (eg: a desk on the floor not moving), kinetic friction is the friction between two objects that are moving relative to each other (eg: a desk sliding on the floor)
Does friction reduce or increase when a car is moving?
Friction is de opposition of motion. if a car is in motion, the friction is said to be reduced because it oppose de movement of the car.
Where in an engine does friction occur?
The pistons, the cam(s), the lifters, every moving part will experience friction.
What is the friction of two objects that are not moving called?
The friction between two objects that are not moving is called static friction. It is the force that resists the initial motion of an object at rest.
