What is the SI unit of a force

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader