1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
monitta
3 years ago
9

4.116 The lid of a roof scuttle weighs 75 lb. It is hinged at corners A and B and maintained in the desired position by a rod CD

pivoted at C. A pin at end D of the rod fits into one of several holes drilled in the edge of the lid. For α 5 50°, determine (a) the magnitude of the force exerted by rod CD, (b) the reactions at the hinges. Assume that the hinge at B does not exert any axial thrust. Beer, Ferdinand. Vector Mechanics for Engineers: Statics (p. 219). McGraw-Hill Higher Education. Kindle Edition.

Engineering
1 answer:
babunello [35]3 years ago
5 0

Answer:

(a) The magnitude of force is 116.6 lb, as exerted by the rod CD

(b) The reaction at A is (-72.7j-38.1k) lb and at B it is (37.5j) lb.

Explanation:

Step by step working is shown in the images attached herewith.

For this given system, the coordinates are the following:

A(0, 0, 0)

B(26, 0, 0)

And the value of angle alpha is 20.95°

Hope that answers the question, have a great day!

You might be interested in
Determine the maximum intensity ww of the uniform distributed load that can be applied to the beam without risk of causing the s
AnnyKZ [126]

Answer:

Please see attachment

Explanation:

Please see attachment

3 0
3 years ago
A scrubber on a coal-fired power plant is useful to remove
Eddi Din [679]

Answer:

sulfur dioxide

Explanation:

The scrubber is an apparatus installed in a coal-fired power plant to clean the passing gas through the smokestack.  Due to the norm enacted through the clean air Act, almost all the scrubber used in the U.S is used to remove sulfur concentration from coal. it can remove approx 90-95% SO_2 from the smokestack.

4 0
3 years ago
Read 2 more answers
When calculating gear ratios, which formula is different from the others?
BartSMP [9]

Answer:

The number of threads in a worm is the number of teeth in a worm. The speed transmission ratio of a worm and worm gear set is obtained by dividing the number of teeth of the worm gear by the number of threads of the worm.

6 0
3 years ago
Design an op amp circuit to average the input of six sensors used to measure temperature in restaurant griddles for a large fast
Marina CMI [18]

Answer:

See the attached file for the design.

Explanation:

Find attached for the explanation.

3 0
3 years ago
A microscope illuminator uses a transformer to step down the 120 V AC of the wall outlet to power a 12.0 V,50 W microscope bulb.
Anna35 [415]

Answer:2.88 ohms

Explanation:

R= V^2 / P

12^2/50

144/50

2.88 ohms

5 0
1 year ago
Other questions:
  • The statement that is NOT true about the concept of a boundary layer on an object is: a. the Reynolds number is greater than uni
    6·1 answer
  • Block B starts from rest, block A moves with a constant acceleration, and slider block C moves to the right with a constant acce
    11·1 answer
  • In water and wastewater treatment processes a filtration device may be used to remove water from the sludge formed by a precipit
    10·1 answer
  • Think for a moment about the potential problems with big data that the speaker mentioned:
    11·2 answers
  • A horizontal curve of a two-lane undivided highway (12-foot lanes) has a radius of 678 feet to the center line of the roadway. A
    8·1 answer
  • Anna makes arrangements to reuse waste water that has been used in sinks and showers. Which term refers to the waste water that
    15·1 answer
  • Steam enters an adiabatic turbine at 6 MPa, 600°C, and 80 m/s and leaves at 50 kPa, 100°C, and 140 m/s. If the power output of t
    14·1 answer
  • Which term represents an object that has a round or oval base and is connected at every point by lines at a corresponding point
    11·2 answers
  • 8. Block A shown in the figure below weighs 2000 N. The chord attached to A passes over a
    9·1 answer
  • 10) A pressure sensor consisting of a diaphragm with strain gauges bonded to its surface has the following information in its sp
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!