A forestry worker accidentally strikes a pipe with the end of a
pickaxe while trying to dig a hole. If
the pickaxe strikes with a force of
2000 N and the end of the pickaxe
measures 0.02 m by 0.01 m, how much
pressure is exerted on the pipe by the
pickaxe?

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)

If steel is more dense that lake water, why can a boat float

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.