Loose Leaf for Fundamentals of Aerodynamics
6th Edition
ISBN: 9781259683992
Author: Anderson, John
Publisher: McGraw-Hill Education
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Chapter 12, Problem 12.4P
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Figure: 06_P041
Copyright 2013 Pearson Education, publishing a Prentice Hall
2. Determine the force that the jaws J of the metal cutters exert on the smooth cable C if 100-N
forces are applied to the handles. The jaws are pinned at E and A, and D and B. There is also
a pin at F.
400 mm
15°
20 mm
A
15°
15
D
B
30 mm² 80 mm
20 mm
400 mm
Figure: 06_P090
Copyright 2013 Pearson Education, publishing as Prentice Hall
15°
100 N
100 N
15°
A telemetry system is used to quantify kinematic values of a ski jumper immediately before the jumper leaves the ramp. According to the system r=560 ft , r˙=−105 ft/s , r¨=−10 ft/s2 , θ=25° , θ˙=0.07 rad/s , θ¨=0.06 rad/s2 Determine the velocity of the skier immediately before leaving the jump.
The velocity of the skier immediately before leaving the jump along with its direction is ? I have 112.08 ft/s but can't seem to get the direction correct. Determine the acceleration of the skier at this instant.
At this instant, the acceleration of the skier along with its direction is ? acceleration is 22.8 ft/s^2 but need help with direction. Need help with velocity direction and acceleration direction please.
For Problems 18-22 (Table 7-27), design a V-belt drive.
Specify the belt size, the sheave sizes, the number of belts, the
actual output speed, and the center distance.
Chapter 12 Solutions
Loose Leaf for Fundamentals of Aerodynamics
Ch. 12 - Using the results of linearized theory, calculate...Ch. 12 - For the conditions of Problem 12.1, calculate the...Ch. 12 - Consider a diamond-wedge airfoil such as shown in...Ch. 12 - Equation (12.24). from linear supersonic theory....Ch. 12 - Consider a flat plate at an angle of attack in an...Ch. 12 - Consider a flat plate at an angle of attack in a...Ch. 12 - Using the same flight conditions and the same...Ch. 12 - The result from Problem 12.6 demonstrates that...
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- only 21arrow_forwardonly 41arrow_forwardNormal and tangential components-relate to x-y coordinates A race car enters the circular portion of a track that has a radius of 65 m. When the car enters the curve at point P, it is traveling with a speed of 120 km/h that is increasing at 5 m/s^2 . Three seconds later, determine the x and y components of velocity and acceleration of the car. I need help with finding the y component of the total acceleration. I had put -32 but its incorrect. but i keep getting figures around that numberarrow_forward
- The bracket BCD is hinged at C and attached to a control cable at B. Let F₁ = 275 N and F2 = 275 N. F1 B a=0.18 m C A 0.4 m -0.4 m- 0.24 m Determine the reaction at C. The reaction at C N Z F2 Darrow_forwardConsider the angle bar shown in the given figure A W 240 mm B 80 mm Draw the free-body diagram needed to determine the reactions at A and B when a = 150 mm. This problem could also be approached as a 3-force body using method of Section 4.2B.arrow_forwardA telemetry system is used to quantify kinematic values of a ski jumper immediately before the jumper leaves the ramp. According to the system r=560 ft , r˙=−105 ft/s , r¨=−10 ft/s2 , θ=25° , θ˙=0.07 rad/s , θ¨=0.06 rad/s2 Determine the velocity of the skier immediately before leaving the jump. The velocity of the skier immediately before leaving the jump along with its direction is ? I have 112.08 ft/s but can't seem to get the direction correct. Determine the acceleration of the skier at this instant. At this instant, the acceleration of the skier along with its direction is ? acceleration is 22.8 ft/s^2 but need help with direction. Need help with velocity direction and acceleration direction please.arrow_forward
- For the stop bracket shown, locate the x coordinate of the center of gravity. Consider a = = 16.50 mm. 34 mm 62 mm 51 mm 10 mm 100 mm 88 mm 55 mm 45 mm The x coordinate of the center of gravity is mm.arrow_forwardIn the given figure, the bent rod ABEF is supported by bearings at C and D and by wire AH. The portion AB of the rod is 250 mm long, and the load W is 580 N. Assume that the bearing at D does not exert any axial thrust. H B A с 30° 250 mm D Z 50 mm 300 mm F 250 mm 50 mm W Draw the free-body diagram needed to determine the tension in wire AH and the reactions at C and D.arrow_forwardA 10-ft boom is acted upon by the 810-lb force as shown in the figure. D 6 ft 6 ft E B 7 ft C 6 ft x 4 ft W Draw the free-body diagram needed to determine the tension in each cable and the reaction at the ball-and-socket joint at A.arrow_forward
- Locate the center of gravity of the sheet-metal form shown. Given: r = 26.40 mm . 50 mm 40 mm X 150 mm The center of gravity (✗) of the sheet-metal form is The center of gravity (Y) of the sheet-metal form is The center of gravity ( Z ) of the sheet-metal form is mm. mm. (Round the final answer to three decimal places.) mm.arrow_forwardDetermine the reactions at the beam supports for the given loading if W = 300 lb/ft . W 6 ft A 9 ft. 6 ft- The reaction at Bis lb. The reaction at A is lb. Barrow_forwardIn the given figure, the bent rod ABEF is supported by bearings at C and D and by wire AH. The portion AB of the rod is 250 mm long, and the load W is 580 N. Assume that the bearing at D does not exert any axial thrust. 30° 250 mm 300 mm 50 mm H B C D 50 mm W 250 mm Determine the reactions at C and D. (Include a minus sign if necessary.) The reaction at Cis N) j + N)k The reaction at Dis N) j + ( N)karrow_forward
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