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problem1) Compute the forces F1 and F2 in the diagram below:

2378_Forces.jpg

A) Derive planar densitiies of FCC (110) and (100) planes in terms of R,

B) the atomic radius of FCC (110) and (100) planes, which will you expect to have higher surface energy? Why?

problem2) In the crystallin material, slip occurs preferentially along planes having higher planar densities. For material with an FCC crystal structure will slip be more likely to occur along the (11) plane or the (100) plane? Why?

problem3) The rocket sled has mass of 5 Mg and travels from rest along horizontal track for which the coefficient of kinetic friction is? k=0.20.

1561_Kinetic friction.jpg

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M93952

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