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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Solve the following engineering problems in python:
Part 1)
A mass of 300 kg is allowed to fall vertically through 1 metre on to the top of a pile of mass 500 kg. Assume that the falling mass and pile remain in contact after impact and that the pile is moved 150 mm at each blow. Find, allowing for the action of gravity after impact 1. The energy lost in the blow, and 2. The average resistance against the pile.
Part 2)
A hammer B suspended from pin C, and an anvil A suspended from pin D, are just touching each other
at E, when both hang freely . The mass of B is 0.7 kg and its centre of gravity is 250 mm below C and its
radius of gyration about C is 270 mm. The mass of A is 2.4 kg and its centre of gravity is 175 mm below D and its radius of gyration about D is 185 mm. The hammer B is rotated 20° to the position shown dotted and released. Assume that the points of contact move horizontally at the instant of impact and that their
local relative linear velocity of recoil is 0.8 times their relative linear velocity of impact. Find the angular velocities of hammer and of the anvil immediately after impact.
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