Homework Help is Here – Start Your Trial Now!
Science
Advanced Physics
Which of the following need NOT be reflected in a sketch when using the Linear Momentum Equation? a. The direction of the velocities b.Internal forces within the free body diagram c. The boundaries of the control volume d. The pressures at the control sections

Which of the following need NOT be reflected in a sketch when using the Linear Momentum Equation? a. The direction of the velocities b.Internal forces within the free body diagram c. The boundaries of the control volume d. The pressures at the control sections

icon
Related questions
Question
Please answer everything
Which of the following need NOT be reflected in a sketch when using the Linear Momentum Equation? a. The direction of the velocities b.Internal forces within the free body diagram c. The boundaries of the control volume d. The pressures at the control sections The following operations may be done on a dimensionless product to obtain other another product without losing its non-dimensionality EXCEPT: a.Adding it to another dimensionless product b.Multiplying it by another dimensionless product c.Impose a constant exponent on it d.Multiplying it by a constant An airplane wing, with chord length of 1.5 m and span of 9 m, is designed to move through standard air (v= 1.51×105 m²/s) at a speed of 7.5 m/s. A 1/10-scale model of this wing is to be tested in a water tunnel (v= 1.00×106 m²/s). If viscous effects govern, what speed is necessary in the water tunnel to achieve dynamic similarity? a.11.33 m/s b.4.97 m/s c.1.51 m/s d.2.98 m/s A dam spillway is to be tested with a 1:20 scale model. The model flow has an average velocity of 0.75 m/s and a volume flow of 0.06 cms. If the measured force on a certain part of the model is 1.5 N, what will be the corresponding force on the prototype be? a. 1,200 N b.12,000 N c.600 N d.6,000 N
Transcribed Image Text:Which of the following need NOT be reflected in a sketch when using the Linear Momentum Equation? a. The direction of the velocities b.Internal forces within the free body diagram c. The boundaries of the control volume d. The pressures at the control sections The following operations may be done on a dimensionless product to obtain other another product without losing its non-dimensionality EXCEPT: a.Adding it to another dimensionless product b.Multiplying it by another dimensionless product c.Impose a constant exponent on it d.Multiplying it by a constant An airplane wing, with chord length of 1.5 m and span of 9 m, is designed to move through standard air (v= 1.51×105 m²/s) at a speed of 7.5 m/s. A 1/10-scale model of this wing is to be tested in a water tunnel (v= 1.00×106 m²/s). If viscous effects govern, what speed is necessary in the water tunnel to achieve dynamic similarity? a.11.33 m/s b.4.97 m/s c.1.51 m/s d.2.98 m/s A dam spillway is to be tested with a 1:20 scale model. The model flow has an average velocity of 0.75 m/s and a volume flow of 0.06 cms. If the measured force on a certain part of the model is 1.5 N, what will be the corresponding force on the prototype be? a. 1,200 N b.12,000 N c.600 N d.6,000 N
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer