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How can friction be reduced or if its helpful what can be done increase the friction?
Friction can be reduced by using lubricants like oil or grease on surfaces. To increase friction, surfaces can be roughened or materials with higher coefficients of friction can be used. Adjusting the weight or pressure between the surfaces can also increase friction.
When does friction need to be reduced?
Friction needs to be reduced when trying to increase the efficiency of machines or decrease wear and tear on components. It is also important to reduce friction in situations where smooth movement or minimal heat generation is required.
When friction needs to be reduced?
Friction can be reduced by using lubricants, such as oil or grease, to create a barrier between surfaces. Using materials with low coefficient of friction, like Teflon or nylon, can also help decrease friction. Additionally, polishing or smoothing surfaces can reduce the contact area and therefore friction.
What is a type of friction that is reduced by wheels and ball bearings?
Rolling friction is a type of friction that is reduced by wheels and ball bearings. It is the resistance that occurs when one object rolls over another object, and is typically lower than sliding friction.
What situations is friction reduced?
Friction can be reduced in situations where lubricants like oil or grease are applied between surfaces, creating a slippery layer. Using ball bearings can also reduce friction by allowing smooth rolling rather than sliding. Additionally, polishing or smoothing out the surfaces in contact can decrease friction.
The sleek shape of a bobsled reduced what?
air resistance
Where do you need low friction in bobsledding?
So the bobsled can slide...
What reduced by friction?
efficency is reduced by friction.
How does a bobsled stop?
A bobsled stops primarily through the use of brakes operated by the brakeman, who pulls on a lever to engage the braking system. This action creates friction against the runners, slowing the sled down. Additionally, the sled's momentum is reduced as it moves onto the flat section at the end of the track, where the incline decreases. Finally, the sled may come to a complete stop using the natural resistance of the track surface and any remaining friction.
Will a heavy bobsled go down a track faster than a light one?
A little. Momentum is mass times velocity. The more momentum and object has the harder it is to stop. So the more momentum a bobsled has the more effective it will be against the forces trying to slow it down such as friction, wind resistance, drag, etc. However, this does assume that the bobsled team can get the heavier sled up to the same speed as a lighter one.
Is Friction reduced between polished surfaces?
when we polish surfaces, the molecules or atoms of surface come closer to each other so there is no space for fiction so it is reduced but not reduced to zerowe cant reduce friction to zeroWhen we polish a rough surface smoothly,the unequalities gets reduced,therefore friction is reduced
How can friction be reduced or if its helpful what can be done increase the friction?
Friction can be reduced by using lubricants like oil or grease on surfaces. To increase friction, surfaces can be roughened or materials with higher coefficients of friction can be used. Adjusting the weight or pressure between the surfaces can also increase friction.
How air friction is reduced in cars?
With aerodynamics.
What are two means by which friction may be reduced?
Lubrication and ball bearings both reduce friction.
What will be the effect on friction when contact points are reduced?
No effect
How can friction on a slide be reduced?
Water is as far as it goes.
When does friction need to be reduced?
Friction needs to be reduced when trying to increase the efficiency of machines or decrease wear and tear on components. It is also important to reduce friction in situations where smooth movement or minimal heat generation is required.
