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The original air in the tire is old and weak so new air pumped in is stronger because it's newer and faster ;) Just kidding, really though the pressure of the air in the tire compared to the pressure of the air applied to the valve stem is the determining factor to whether or not you will be pumping air in the tire or letting it out of the tire. 10psi in the tire and 20psi at the air chuck equals a 10psi difference, and if the air chuck is applied to the valve stem the tire will fill with 10psi more of air and will then equal 20psi in the tire if the 20psi air pressure can be maintained at the fill chuck by an air compressor. Why, because different pressures will want to equal themselves to each other if they are aloud to occupy the same area with the higher pressure always wanting to expand into the lower pressure area, like inside a tire.
What else can I help you with?
Is inflated tire lighter?
No, heavier by the weight of the extra air put inside it. Even if you filled the tire with helium it is still heavier, although the additional weight would be less than the additional weight of air.
Why does a tire expand as you pump air into it?
because you're putting pressure inside the tire of the required psi recommended
What gas is in a tire pump?
There is no gas in a tire pump, only air.
Can you use a bike tire pump on a car to inflate the tires?
No, a bike tire pump cannot be used to inflate car tires because car tires require a higher pressure than what a bike pump can provide. It is recommended to use a proper car tire pump for inflating car tires.
Why is the air pump not filling the tire properly?
The air pump may not be filling the tire properly due to a leak in the tire, a malfunction in the air pump, or an incorrect setting on the air pump.
How does an air pump work to inflate objects?
An air pump works by creating pressure to force air into an object, such as a tire or inflatable toy. When the pump is operated, it compresses air and pushes it into the object, causing it to inflate and become filled with air.
Why does a tire get bigger as you pump it up?
Because, the air pressure hitting the tire, and as it hitting we put some air pressure into it so the tire is fully pumped up.
How do you pump a road bike tire effectively?
To pump a road bike tire effectively, follow these steps: Check the recommended tire pressure on the sidewall of the tire. Attach the pump nozzle securely to the valve stem of the tire. Pump air into the tire using a hand pump or floor pump. Monitor the pressure using a pressure gauge and stop when it reaches the recommended level. Disconnect the pump and securely close the valve stem.
How do you properly attach a bike pump to a valve to inflate a tire?
To properly attach a bike pump to a valve to inflate a tire, first unscrew the valve cap from the valve stem on the tire. Next, determine the type of valve on the tire (Presta or Schrader). For a Presta valve, unscrew the top nut to open the valve. For a Schrader valve, no additional steps are needed. Then, firmly press the pump nozzle onto the valve and secure it in place. Begin pumping air into the tire until it reaches the desired pressure, then remove the pump nozzle and replace the valve cap.
When you pump air into the tire of a bicycle what is the state of air in the tire?
Because I don't know what your teacher is looking for:At a pressure above atmosphericCompressedConfined
What is the best way to properly inflate a bike tire using a bike tire air pump?
To properly inflate a bike tire using a bike tire air pump, first check the recommended tire pressure listed on the tire. Attach the pump nozzle to the valve on the tire and pump air into the tire until it reaches the recommended pressure. Be sure to periodically check the pressure with a gauge to avoid overinflating the tire.
What is filled in the tire of aeroplane?
air
