1q - of gravity is 5.47 ft/s 2 . Determine its weight, in...

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Homework Assignment 1 1. An object whose mass is 10 kg weighs 95 N. Determine: a. The local acceleration of gravity, in m/s 2 . b. The mass, in kg, and the weight, in N, of the object at a location where g = 9.81 m/s 2 . 2. An object whose mass is 10 lb m weighs 9.6 lb f . Determine: a. The local acceleration of gravity, in ft/s 2 . b. The mass, in lb m , and the weight, in lb f , of the object at a location where g = 32.2 ft/s 2 . 3. A gas occupying a volume of 25 ft 3 weighs 3.5 lb f on the moon, where the acceleration
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Unformatted text preview: of gravity is 5.47 ft/s 2 . Determine its weight, in lb f , and density, in lb m /ft 3 , on Mars, where g = 12.86 ft/s 2 . 4. Consider a lawnmower being driven by a one-cylinder gasoline engine. For this system: a. What is a good choice for the system boundary? b. Should this system be analyzed as a closed system or a control volume? c. Would this change if the lawnmower was battery driven? Due Friday June 4, 2010 10:00AM...
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This note was uploaded on 06/28/2010 for the course MEEN 315 taught by Professor Ramussen during the Summer '07 term at Texas A&M.

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