MEM202 – Engineering Mechanics: Statics Quiz #2 October 4, 2007 Name: __________________________________ Section: ____________________ A. Multiple Choice. Circle ONE answer that best answers the question. [10 points] 1. If you know just Aus, you can determine the ______ of Asuniquely. a) magnitude of Asb) coordinate angles (α, βand γ) c) components (Ax, Ayand Az) d) all of the above answer: b) 2. A position vector, PQrs, is obtained by a) coordinates of Q minus coordinates of P b) coordinates of P minus coordinates of Q c) coordinates of A minus coordinates of the origin d) coordinates of the origin minus coordinates of P 3. A force of magnitude F, directed along a unit vector, us, is give by Fs= ________. a) uFsb) Fusc) uFsd) uFss+answer: a) 4. Two points in 3D space have coordinates of P (1,2,3) and Q (4,5,6) meters.
This preview has intentionally blurred sections.
Sign up to view the full version.