As part of a test, the two aircraft engines are revved up and the propeller pitches are adjusted so as to result in the fore an thrusts shown. What force F must be exerted by the ground on each of the main braked wheels at A and B to counteract th turning effect of the two propeller thrusts? Neglect any effect of the nose wheel C which is turned 90° and unbraked.
As part of a test, the two aircraft engines are revved up and the propeller pitches are adjusted so as to result in the fore an thrusts shown. What force F must be exerted by the ground on each of the main braked wheels at A and B to counteract th turning effect of the two propeller thrusts? Neglect any effect of the nose wheel C which is turned 90° and unbraked.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:As part of a test, the two aircraft engines are revved up and the propeller pitches are adjusted so as to result in the fore and aft
thrusts shown. What force F must be exerted by the ground on each of the main braked wheels at A and B to counteract the
turning effect of the two propeller thrusts? Neglect any effect of the nose wheel C which is turned 90° and unbraked.
375 Ib
6' 11'
C
375 lb
Answer: F =
i
Ib
Transcribed Image Text:Each propeller of the twin-screw ship develops a full-speed thrust of F = 285 kN. In maneuvering the ship, one propeller is turning
full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the
ship's propellers?
Assume a = 59 m, b = 136 m, c = 12 m.
b
Answer: P =
i
kN
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