Hmwk 1 Problems 1) Define engineering design. Illustrate the engineering design process/activity and

Hmwk 1 Problems 1) Define engineering design. Illustrate the engineering design process/activity and elaborate on each important step/concept.

3) Define what is ethics in the field of engineering and explain what is meant by ethical dilemma.

4) Convert a mass of 250 lbm to a) lbf , b) slug, c) kg.

5) Express a 68 kg mass in units of slugs and lbm. How much does this mass weigh in lbf and N on a) earth, b) moon and c) in earth orbit?

6) Convert a gear reducer torque of 20,000 in-lb to a) N-m and b) N-mm

7) What do the following initialisms stand for: a) ips; b) fps; c) cgs; d) SI? What are the three base units in each system? What is a derived unit in each system.

8) Name three of the several groups of machine elements and identify one engineering application for each group you name.

9) Provide two examples of each: a) design for failure and b) design not to fail. Explain what is important to the engineer and user for each example.

10) What is the trajectory of an un-struck golf ball?

 

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