Unformatted text preview: done. Explain your answer to part c. 3. A simplified model of the dynamics of a 50.0kN airplane is shown at the right. It consists of four forces; the weight (F g ), the forward thrust due to the engines (F t ), the drag of air resistance (F d ), and the lift from the wings (F L ). The four force vectors are given in kiloNewtons as, r F g = " 50.0 ˆ j , r F t = 4.33 ˆ i + 2.50 ˆ j , r F d = " 2.60 ˆ i " 1.50 ˆ j , and r F L = " 30.0 ˆ i + 52.0 ˆ j . Find the component of (a)the weight along the lift, (b)the weight along the drag, (c)the thrust along the lift, and the thrust along the drag. 4. A beach ball is dropped from the top of Whitney Hall. The graph at the right shows the force of air resistance versus the distance the ball has fallen. Find the work done by the force of air resistance (a)between 1.0s and 1.2s, and (b)between 0 and 1.0s....
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This note was uploaded on 03/11/2012 for the course PHYSICS 204A taught by Professor Kagan during the Fall '09 term at CSU Chico.
 Fall '09
 Kagan
 Force, Friction

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