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because of the pressure. when you add more air to the tyre, or inner tube, the air inside squashes together, which makes the tyre hard. the pressure is measured is PSI, or pounds per square inch. a fully inflated mountain bike tyre should be around 40 psi. hope this helps

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What element makes up up a bicycle tire?

A bicycle tire usually consists of rubber, which is dynamically reinforced with materials such as fabric, fiber, or metal to provide strength, flexibility, and durability. These materials, combined with air pressure, enable the tire to support the weight of the bicycle and rider while providing traction and cushioning.


How do the particles inside a car tire cause pressure on the tire?

When a car tire is inflated, the air particles inside the tire collide with the walls of the tire and with each other, creating a force that exerts pressure on the walls of the tire. The pressure builds up as more air is pumped into the tire until it reaches a point where it is equal to the atmospheric pressure pushing back on the tire.


Why is it harder to walk up a hill than on level ground?

Walking up a hill requires your muscles to work against gravity, leading to more effort and energy expenditure compared to walking on level ground. The incline of the hill increases the vertical lifting component of walking, which adds additional resistance and makes it more difficult to move forward.


What are the differences in tire sizing?

Tire sizing can differ based on the diameter (measured in inches), width (measured in millimeters), aspect ratio (percentage of the tire's width that makes up the sidewall height), and load rating. Different vehicles may require different tire sizes to ensure proper fit and performance. It's important to refer to your vehicle's manufacturer specifications for the correct tire size.


What happens to the pressure and molecules inside. A football that is being pumped up apex?

The pressure increases, and the molecules collide with the football's inner surface.

Related Questions

What happens when you pump up a bicycle tire?

Air goes in it the pressure increases and the tire becomes harder. If you keep pumping it'll eventually blow up.


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.


Why does a tire feel harder on a hot day?

The air inside the tire heats up, building the pressure. The pressure is exerted on the walls of the tire, making it feel harder.


Why is it harder to ride a bicycle up a hill?

Because you have to overcome gravity on your way up.


What element makes up up a bicycle tire?

A bicycle tire usually consists of rubber, which is dynamically reinforced with materials such as fabric, fiber, or metal to provide strength, flexibility, and durability. These materials, combined with air pressure, enable the tire to support the weight of the bicycle and rider while providing traction and cushioning.


What happen when more air is pumped into the tire when temperature is kept constant?

When more air is pumped into a tire while the temperature is constant, the pressure inside the tire will increase. This is because the gas molecules become more crowded together, resulting in higher pressure. It's important to not exceed the recommended tire pressure to avoid damage to the tire.


Why is it when you put air into a completely flat bicycle tire the entire tire expands?

because air molecules build up inside the tire and push the rubber outwards which causes the tire to expand.


How do you pump up bicycle tires effectively?

To pump up bicycle tires effectively, first check the recommended tire pressure listed on the sidewall of the tire. Use a bicycle pump with a pressure gauge to inflate the tire to the recommended pressure. Attach the pump nozzle securely to the valve stem and pump in short, controlled bursts until the desired pressure is reached. Be sure to check the pressure periodically and top up as needed.


How do you properly use the Schwinn pump to inflate a bicycle tire?

To properly use the Schwinn pump to inflate a bicycle tire, first attach the pump nozzle securely to the valve on the tire. Then, pump the handle up and down to add air to the tire until it reaches the desired pressure level. Finally, remove the pump nozzle from the valve and secure the valve cap back on the tire.


Why does air come out of a bicycle tire when you open the valve even if the valve is pointing up?

Because the air inside the tire is under pressure. Gas always flows from a region of higher pressure to a region of lower pressure. As the pressure inside the tire is greater than the pressure outside, the air always comes out of the bicycle tyre.


What keeps car or bicycle tires in the right shape when they are pumped up to high pressure?

the rubber is made to with stand the pressure to a certain point. hope dat helps


Did you blow up bike wheels on a penny farthing?

Usually not. The penny Farthing was invented before the inflatable bicycle tire was developed.