The resultant of the pressure and wall shear forces acting on a body is measured to be 470 N, making 33° with the direction of flow. Determine the drag and the lift forces acting on the body.

Q: Air is flowing past a symmetrical airfoil at an angle of attack of 5°. Is the (a) lift and (b) drag…

A: If an object is placed in a fluid flow, it experiences forces. Say, a body  or say an airfoil is…

Q: The form drag coefficient of a certain light aircraft is equal to 0.011. Its skin friction drag…

A: Solution: Given Data: CD,F=0.011CD,S=0.016CD,I=0.07CD,F+CD,SAR=7.01e=0.91   To Find: The…

Q: The aircraft is designed to carry up to 2800 kg of total mass. The wing area of the aircraft is 30…

A:

Q: The wing loading on an airplane is defined as the aircraft weight divided by the wing area. An…

A:

Q: Figure 2 shows a 0.25 kg kite with an area of 0.65 m² flies in a 25 km/h wind such that the…

A: Vector is a physical quantity that has magnitude and direction both. Scalar is a physical quantity…

Q: How you find minimum drag and velocity from the equations

A: Given: The drag, D = ax+[b(mg)2/x]

Q: The drag coefficient for the car is CD�� = 0.28, and the projected area into the 20∘C∘C airstream is…

A:

Q: When testing a new car, the car drives with a constant speed v = 140 km/h. The power of car’s engine…

A: Given data: The constant speed is of the car is v = 140 km/h. The power of car's engine is P = 120…

Q: A 3m - long snow plow attached to the truck is shown on the road he cleans the snow. Snow thickness…

A:

Q: of drag coefficient Cd?

A: E. dimensionless

Q: The power delivered to the wheels of a car is used to overcome aerodynamic drag. Compare the amount…

A:

Q: Calculate the ratio of the drag force on a jet flying at 833 km/h at an altitude of 7.7 km to the…

A:

Q: Determine the drag force exerted on the flat plate of 4 m long when air is flowing over it with a…

A: The answer is given below

Q: A surface buoy is located in 180 ft of water and is moored with a wire rope weighing 3 lb/ft. The…

A:

Q: 5. The local atmospheric pressure in Denver, Colorado (elevation 1610 m) is 83.4 kPa. Air at this…

A: To find: (a) The drag force acting on the top surface of plate, if the air flows is parallel to the…

Q: The form drag coefficient of a certain light aircraft is equal to 0.02. Its skin friction drag…

A: Solution: Given Data: CD,F=0.02CD,S=0.009CD,I=0.08CD,PAR=6.9   To Find: Maximum lift-to-drag ratio.

Q: A 70-kg person paradropped from an airplane at 22000 ft. Given that the air drag that he will…

A: From dropped object from height, terminal velocity is where drag force is equal to weight of object.

Q: An aircraft has a total mass of (1.320x10^2) kg and a wing area of (2.90x10^1) m². It operated with…

A:

Q: Derive agenral expressionfind circulation and hte lift force for NACA 27014

A: An airfoil, such the NACA 27014, circulates differently depending on the angle of attack and other…

Q: What does the modulus of the toughness of material represent?

A: The modulus of toughness is the measure of how much strain energy can a material absorb before the…

Q: A flight enthusiast is designing a man-powered single wing aircraft. According to her calculations,…

A: Part (a) Write the given value using suitable variables. Here CL signifies lift coefficient, CD…

Q: A Boeing 747 plane weighs 404,600 lbf, has a wing area of 6360 ft, and has a wing length of 211 ft.…

A:

Q: Calculate the velocity with air drag in m/s. Take the size across of the drop to be 3.8 mm, the…

A: Size across the drop, d= 3.8 mm= 0.0038 m  Hence, radius, r= d2= 0.00382= 0.0019 m Density of air,…

Q: ent of a vehicle increases when its windows are rolled down or its sunroof is opened. A sports car…

A: The frontal area of the car, A = 18 ft2.Drag coefficient when the sunroof is closed, CD1 = 0.32.Drag…

Q: The aerodynamic drag on a car depends on the shape of the car. For example, the car shown in the…

A:

Q: The car shown in the figure below moves at a constant speed on a highway and has a drag coefficient…

A:

Q: Joe recently opened a restaurant and bought a car that has a clean drag area CDA of 3.25 m² and…

A: To find: The fuel money required per year without advertising board and also find the additional…

Q: Alight aircraft with a wing area of 114 m^2 and a span of 29 m is flying at an altitude of 3,550 m…

A: Given data in the problem: Wing area of the aircraft: 114 m2 Wing span of the aircraft: 29 m…

Q: Calculate for the total drag coeffi given the equation CD = 0.002 + k(0.403) ^2. Given that the Oswa…

A:

Q: The aircraft is designed to carry up to 2800 kg of total mass. The wing area of the aircraft is 30…

A:

Q: A plane of mass 3000 kg is in level flight at a speed of 300 km/hr with the wings set at an angle of…

A: Given data :-  Mass = 3000 kg Speed = 300 km/hr Angle of incidence = 3 degrees Gust speed = 30 km/hr…

Q: The friction coefficient for a boundary layer is given by the expression: Cf 1.32 √Rez If the…

A:

Q: QUESTION 4 Determine the force due to drag on an automobile traveling at 70 miles per hour. Assume…

A:

Q: Bill gets a job delivering pizzas. The pizza company makes him mount a sign on the roof of his car.…

A: The Work drag  is        W=12ρairAV2CDL where    CD = 0.94 Average speed, V =45 mph…

Q: is the drag coefficient 2 or 0.2?

A: Yes from figure we can see that drag coefficient at 80000 is 0.2 not 2

Q: If a 20 hp fishing boat motor can pull a 1150 kg boat with passengers of total mass 120 kg at a…

A: Given Data→P = 10 HP =10×746 watt =7460 wattm =1150 kgmass of passangers (M) =120 kgv = 13mswe need…

Q: You are working for a glider manufacturer and have been asked to analyse the laminar boundary layer…

A: Velocity profile equation is given.To find:Show that the pressure on the wing surface is increasing…