Give the best friend of each body system and why they’re Best friends. Why would they hang out? what do they have in common

Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

What is the angular momentum of the bar about the axle?

What happens when a rubber rod is rubbed with a piece of fur?