Concept explainers
Repeat Prob. 6-66 by taking into consideration the weight of the elbow v1ose mass is 5 kg.
290
The force acting on the flanges of the elbow.
The force line of action angle with horizontal.
Answer to Problem 67P
The force acting on the flanges of the elbow is
The force line of action angle with horizontal is
Explanation of Solution
Given information:
The volume flow rate is
Write the expression for velocity.
Here, volume flow rate is
Consider inlet point as
Write the expression for Bernoulli equation.
Here, density is
Write the expression for force in x-direction.
Write the expression for force in y-direction.
Write the expression for weight of water contained in the elbow.
Here density of water is
Write the expression for resultant of force on elbow.
Here, resultant force in x-direction is
Write the expression for angle of line of action of resultant force with horizontal.
Here, resultant force in x-direction is
Calculation:
Substitute
Substitute
Refer to table "properties of saturated water" to obtain the density of water as
Substitute
Substitute,
Substitute
Substitute,
Substitute
Substitute
Here, angle of resultant force depends on force component sign.
Here, angle is measured from horizontal in anti-clockwise direction.
Conclusion:
The force acting on the flanges of the elbow is
The force line of action angle with horizontal is
Want to see more full solutions like this?
Chapter 6 Solutions
Fluid Mechanics: Fundamentals and Applications
- A force F (magnitude F) acts on a box of mass m resting on the ramp makes angle 33° above the horizontal as shown in the figure. The force is directed at an angle below the horizontal, and the box remains at rest. The normal force on the box due to the surface is equal to F 10 10 33.0° udgied 10021 al (279 2003 erdog eit soo Tallot A mar am ta o noismalouan ng zulq) soort no en sibarrow_forwardCan you help me solve this problem with complete solution and free body diagram?arrow_forwardCan you show this by applying d'alembert's principle to a free body diagram?arrow_forward
- What are the reaction forces on the latch an djoint in the gate below? And in case thefloodgate is reversed (concave)? *The gate is a cylinder room with length L = 5 marrow_forward(3) A cylinder with a cross section S with a frictionless piston with a mass of M is fixed at the angle 0 in a vertical direction, as shown in Fig. 1- 3. Find the pressure inside the cylinder. The atmospheric pressure is denoted as po and the acceleration of gravity is denoted as g. (a) Po + MgS cos 0 (b) (d) (e) Po - MgS sin 0 sin Po + (h) Po - MgS cos 0 Po + 2 cos 0 Po - Masin 0 S Fig. 1-3 M (c) (f) Po + MgS sin 0 Po - Ma cos 0arrow_forwardshow the complete solution eith explanation and ffree body diagram.arrow_forward
- C3-28 A50-kg lad is susperied fnom a pulley as stewn in Fig. P3 28. The tension in the flexible cable dnes not change as it paaNes aruLand he small frictionless puleye. and the wright af the cahle may he neglected. I'lot the kerce Prequired for equilibr.um as a function of the seg distanee 0d=1 r. Determine the minimurI sag fur which Pis lese than a. Twice the weight sf the kead. b. Four times the weight of the Iad. c bight tizmes the weight of Uhe load. rig. P3-20arrow_forwarda 46 l Asiacell B/s Z 509-two-blocks-in... DRAW F. B. D AND SHOWTHE DIRECTION OF FRICTION FORCE 3000 N MATHlino com B Figure P-509 2000 Narrow_forwardP4-28 A layer of oil 6 cm thick covers a layer of water. A cylinder made of soft pine floats in this two-layer fluid, as shown. Using data on the figure, find the height, x, by which the cylinder protrudes from the fluid. 20 cm Air 14 cm Soft SG 075O pine SG 0.56 Waterarrow_forward
- A body of mass 25 kg is resting on a horizontal surface, then its m*ax = 245.25 N. Find the m*ay. О а.0 O b. 1 N Ос. -1N O d. -245.25 Narrow_forwardrequired rfoslis to Inioq orlt onimots.aeqo Z equilibrium vitooqer 0 cmtnt velocity requires that all the forces act on mrticle form a zero re C rce. orces that 6 m on a particic, it is nec y raw ranis an In order to account for all body diagram. This D of the |A bat hows 3 m 4 m 4 m 3 m 4 m 6 m 4 m 3 m Prob. 3-61arrow_forwardConsider a homogeneous right circular cylinder of lengthL , radius R , and specifi c gravity SG =0.5, fl oating in water(SG = 1). Show that the body will be stable with its axishorizontal if L / R > 2.0.arrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L