Depends on the size of the cartridge.
A portion of the gas generated by the burning gun powder is used to operate the action.
Very carefully....
A firing squad?
gun shop, gun show
its a gun thats why
Firing pin strikes primer, primer ignites powder, powder burns and turns into gas, gas expands and pushes projectile out of the barrel
Impossible to answer without knowing the type of ammunition and projectile
First, you're talking about something typically illegal to do. Second, you're talking about something particularly dangerous to do, as the construction of dummy and replica firearms is not built to withstand the pressures generated by the firing of cartridges.
It is used to hold the gun. In the case of a rifle or shotgun, it helps conntrol recoil by transferring much of the push of firing to the body.
no
A Paixhans gun is an early naval gun for firing explosive shells.
Exactly the same as whatever it was before firing. If the loaded gun was not movingbefore the trigger was pulled, then the total momentum of the gun and bullet afterfiring add up to zero.