Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 17, Problem 17.20PP
To determine
The force in the cable
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the weight of the trailer is 2130kg, the weight of the tow truck is 6000kg and the slope of the truck is 2% going on a ramp. The speed of 69km/h when first entering the ramp and 320m along the ramp, then 93km/h is the speed.
(i) find the total average force on the wheels of the truck.
(ii) calculate the average force between the truck and the trailer.
A ball is shot at high speed into a frictionless channel that is in the shape of a segment of a circle with center at O.The channel is frictionless and sits on a horizontal table top.The figure shown is the top view.Which of the following force(s) are acting on the ball when it is within the frictionless channel at position B? Explain your answers.Check all that apply.1- A downward force of gravity.2- A force pointing from O to B.3- A force in the direction of motion.4- A force pointing from B to O.
4. An airplane weighing 5500 kg is in a steady level flight with a speed of 225
m/s. The pilot initiates a steady pull-up maneuver with a radius of curvature of
775 m. The location of center of gravity (CG), center of pressure on wing (CP)
and point of action (T) of tail force are marked in the figure. Use g = 9.81 m/s³.
Neglect drag on the tail and assume that tail force is vertical. Assuming the
engine thrust and drag to be equal, opposite and collinear, the tail force
kN (round off to one decimal place).
20 cm
CG
Chapter 17 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 17 - A cylinder 25 mm in diameter is placed...Ch. 17 - As part of an advertising sign on the top of a...Ch. 17 - Determine the terminal velocity (see Section 2.6.4...Ch. 17 - Calculate the moment at the base of a flagpole...Ch. 17 - A pitcher throws a baseball without spin with a...Ch. 17 - A parachute in the form of a hemispherical cup 1.5...Ch. 17 - Calculate the required diameter of a parachute in...Ch. 17 - A ship tows an instrument in the form of a 30...Ch. 17 - A highway sign is being designed to withstand...Ch. 17 - Assuming that a semitrailer behaves as a square...
Ch. 17 - A type of level indicator incorporates four...Ch. 17 - Prob. 17.12PPCh. 17 - A bulk liquid transport truck incorporates a...Ch. 17 - A wing on a race car is supported by two...Ch. 17 - Prob. 17.15PPCh. 17 - The four designs shown in Fig. 17.16 for the cross...Ch. 17 - Prob. 17.17PPCh. 17 - Prob. 17.18PPCh. 17 - An antenna in the shape of a cylindrical rod...Ch. 17 - Prob. 17.20PPCh. 17 - Prob. 17.21PPCh. 17 - Prob. 17.22PPCh. 17 - Assume that curve 2 in Fig. 17.5 is a true...Ch. 17 - Prob. 17.24PPCh. 17 - Prob. 17.25PPCh. 17 - A small, fast boat has a specific resistance ratio...Ch. 17 - Prob. 17.27PPCh. 17 - Assume that Fig. 17.11 shows the performance of...Ch. 17 - Calculate the total drag on an airfoil that has a...Ch. 17 - Prob. 17.30PPCh. 17 - Prob. 17.31PPCh. 17 - Prob. 17.32PPCh. 17 - Prob. 17.33PP
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- (b) The aircraft's Indicated Air Speed is 150 KIAS. Find the corresponding values of True and Equivalent Air Speeds if the Flight Manual shows CAS to be 2 knots less than IAS under those conditions. Give your answers in both m.s¹ and knotsarrow_forwardA fireworks shell P fired in a vertical trajectory has acceleration given by ay=-g-k*(v^2). The first term in the relation is weight and the second term is due to drag force. The value of the drag parameter k is constant. At the moment shown in the figure, the velocity of the firework is Vp. Calculate the radius of curvature, normal, tangential and resultant acceleration values for this moment. First image is the wanted values and second image is the image of question. ( OA=140m, AP= 210m, k=0.025m^(-1), Vp=20m/s ). I have been trying to solve this question for so long but i couldn't figure it out. Please solve this question so i can understand how to solve this kind of questions.arrow_forward(iii) point. Calculate the vertical distance, A, from the datum to the bucket for the scenario given in part (ii) of this question. →v 3 m/s 9 m 20⁰ FO Fig. 1(f) Datum A tanker with a mass of 80x10 metric tons is towed by a tug as shown in Fig. 1(g). A constant tension of 125 kN is developed in the tow cable. Calculate the time required to bring the tanker from rest to a speed of 0.75 km/h. Fig. 1(g) Sudden stop of the crane causes the bucket to swing to this pointarrow_forward
- Q5: A jet engine airplane has a weight of 64 kN and wing area of 20 m². If the engine output be 8 kN, calculate the maximum and minimum speeds in level flight? Given that CD. = 0.017, AR= 6.5, e=0.80, CLmax T 1.4. (17.5 degree)arrow_forwardA plane moves at 820km/h as it makes a horizontal circular turn of radius 15.0 km. a. Draw a free body diagram and show all the forces on the pilot man who is inside the plane. b. Figure out the magnitude of the net force on the 78.0kg pilot. 10000arrow_forwardThe case where the rocket has alinear air drag force F= cV , where c is a constant. Assumingno burnout, solve for ω ( t ) and find the terminal angularvelocity—that is, the final motion when the angular accelerationis zero. Apply to the case M 0 = 6 kg, R = 3 m, m =0.05 kg/s, V e = 1100 m/s, and c = 0.075 N ? s/m to find theangular velocity after 12 s of burning.arrow_forward
- 3. Assume that the wheels of the car apply 10 N of force forward. Add a force arrow to the pieture showing this situation. What is the combined force (net fore) if fiction and drag are negligible? Now assume that a parachute opens that applies 7 N of force in the other direction opposite to the 10 N of force still being applied by the wheels Add force arrows to the picture showing this situati on. What is the new combined force (net force) and direction? 4. A rocket applies an additional force of 10 Newtons to the 10 Newtons that are applied by the wheels. Add force arrOws to the picture assuming that the parachute continues to apply 7 N of force in the opposite direction. What is the new combined force (net force) and direction? 5.arrow_forwardA model airplane of mass 0.750 kg flies in a horizontal circle at the end of a 60 cm control wire, with a speed of 35 m/s. Compute the tension in the wire, if it makes a constant angle of 20.o with the horizontal. The force exerted on the airplane are the pull of the control wire, the gravitational force, and aerodynamics lift, which acts at 20o inward from the verticalarrow_forwardThree friends ride a Ferris wheel with a diameter of 76m. Their combined mass with each car of the Ferris wheel is 389kg. When their car is at position A, the steel support applies 503N force at the car at an angle of 40degrees with the horizontal. What is the speed of the cars?arrow_forward
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