More fun facts (aka The Laws of Cartoon Physics); Any body suspended in space will remain in space until made aware of its situation. Then the regular laws of gravity take over. This is why babies can defy gravity for elongated amounts of time. (The character walks off the edge of a cliff, remains suspended in midair, and doesn't fall until he looks down.) If this is referenced by a character in the cartoon as "Defying the law of gravity", it is often explained that the character(s) involved have "never studied law". Any body passing through solid matter (usually at high velocities) will leave a perforation conforming to its perimeter (the "silhouette of passage"). Certain bodies can pass through solid walls painted to resemble tunnel entrances; others cannot. Corollary: Portable holes work. All principles of gravity are negated by fear (i.e., scaring someone causes him to jump impossibly high in the air). Any violent rearrangement of feline matter is impermanent. (In other words, cats heal fast and/or have an infinite number of lives.) Corollary: Cats can fit into unusually small spaces. Everything falls faster than an anvil. (A falling anvil will always land directly upon the character's head, regardless of the time gap between the body's and the anvil's respective drops.) Any vehicle on a path of travel is at a state of indeterminacy until an object enters a location in the path of travel. (Wolf looks both ways down the road, sees nothing, but gets run over by a bus as soon as he tries to cross.)
Guns, particularly revolvers, hold an infinite number of bullets when used by the good guys, but not when used by the bad guys. Unless it serves the plot for the good guy to run out of bullets. In which case, throwing the empty gun at the bad guy is often sufficient to win the shootout. Good guys can take a most astounding beating and sustain otherwise life-threatening injury from the bad guys without so much as flinching. But, they will whimper, recoil, and possibly cuss the moment the pretty girl attempts to dress their wounds.
Real life corollary a good guy(PO, solid citizen) can take a bullet to the hand and die. Dirtbag takes half a dozen to the torso and lives.
your second point reminds me of the classic C&W song "The Good Guys And The Bad Guys" which appears at the end of Clint Eastwood's "Any Which Way You Can", after Clyde socks the cop.
The good guy(s) can always fit into the HVAC system which can always be used to * silently * transport them to any area of the building. The cop nearing retirement will always sustain a life threatening injury within hours before retirement kicks in. A vehicle always explodes in a huge fireball upon impacting the ground or upon the gas tank being shot. When singing and/or dancing in public, everyone in the frame will know all the words and/or steps even though they are all random strangers. And it will be executed with perfect pitch and/or timing.
When knocking out a guard or maintenance person, his uniform will always fit the good guy ... perfectly. And generally, no one will recognize that he's an imposter when he comes across legitimate staff.
And the corollary: Any car full of teenagers (especially ones fleeing for their lives at night) will always break down on a deserted set of train tracks and then get hit by a speeding train from out of nowhere as all but one of the teens manage to escape at the last possible moment. Noted variation for dumb-arsed driver thinking he can beat the train despite the flashing warning lights. In this scenario, the barrier gates either do not function or do not exist.
