If you were a malware designer, would you rather use tcp or udp to distribute a malicious payload and why?

(http) hyper text transfer protocol

which means its an input that allows the "site" to connect with severs.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.