Because air, fluffy as it is, is still "stuff", and all stuff has weight. When you pump a tire you're putting more stuff into it, so the weight do go up.
A Bicycle Pump is used to pump the tyres on Bikes it is normally a simple hand operated device which pushes air through a tube atached to a nozel which is screwed to the Valve on a Bicycle inatube the air is then forced into the Bicycle Tire.
A regular bicycle pump will just suck in ambient air8whatever air that's around it) before forcing it out through the nozzle.
air with an air pump
If the pump, valve, and tube are OK - yes.
Because air, fluffy as it is, is still "stuff", and all stuff has weight. When you pump a tire you're putting more stuff into it, so the weight do go up.
Usually the pump or compressor just takes air from the surrounding and pushes it into the tube/tire.
Thre's really no way of answering that, as the capacity of bicycle pumps isn't defined. So, you'd have to look at the human powering the bicycle pump. And given that you can only use your arms powering the pump Id say 1 kW tops.
Air is put in with a pump or a compressor, either way it becomes pressurised to inflate the tire.
Use a bicycle pump only! No more than 6 lbs.
You can pump it with a bicycle pump with the needle.
Because I don't know what your teacher is looking for:At a pressure above atmosphericCompressedConfined
ovals that push together to make air ovals that push together to make air