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For the truss given, there is a 6 kip force acting at G. What is the force in members CE, GF, and CF? Be sure to indicate whether each is in tension or compression. All members are pinned together. C is a pin and B is a roller. The vertical distance between the spans (for example, D to E) is 12 ft, and the horizontal distance between each of the spans (for example, A to B or C to D) is 12 ft. Blank 1 is the force in member CE. Blank 2 is the force in member GF. Blank 3 is the force in member CF.

Multiple Choice Question Example.You may encounter a few multiple choice questions. When you do, simply select the correct answer by clicking the corresponding option.

Read the passage and answer the question about patterns.(1) An infomercial is a televised commercial message lasting approximately thirty minutes and used to sell a product by convincing viewers that they must have this product. (2) Kitchen products such as a food dehydrator and a juice extractor are successful goods shown on infomercials. (3) Other examples of products that have made it big on infomercials include a cleaning solution that promises to clean any household surface safely and inexpensively, and a similar product that claims it will shine and polish your car with next to no effort. (4) Infomercials can be very convincing, but viewers are wise to remember the Latin term caveat emptor: Let the buyer beware!The main pattern of organization is

What is the relationship between two ideas?Unlike Earth, Venus has no magnetic field.

Read the passage and answer the question about patterns.(1) George Washington’s famous crossing of the Delaware River on Christmas morning might never have happened if not for John Honeyman, an American spy working in Trenton. (2) In a clever plan he devised with Washington, Honeyman first faked being captured and interrogated by the Americans. (3) Washington then arranged for Honeyman to escape. (4) After returning to Trenton, Honeyman entertained his friends in the British military command with his tale of capture and escape. (5) He told them that he was able to escape only because the American army was weak and undisciplined, and that they wouldn’t be able to attack Trenton until spring, if ever. (6) Thus, Washington caught the enemy sleeping off their Christmas Eve celebration, and the result was an important victory.The main patterns of organization of the selection are

Read the passage and answer the question about patterns.(1) The aging of our population will have far-reaching implications for what life will be like in the years to come. (2) Society will need to provide many support services to the frail elderly, because many of them will have outlived their savings and will not be able to pay for their own care. (3) As the over-65 population becomes more influential at the polls and in the marketplace, we’re likely to see changes in governmental programs, in television programming, in new products, in housing patterns, in population shifts from state to state, and so forth. (4) The effects of this change are virtually infinite.The main patterns of organization of the selection are

What is the relationship between two ideas?Using its spiny tongue as a pump, it draws the food past special finger-like projections inside its beak.

Evaluate, ∫tan2x dx

∫0π/4tanx sec2x dx 

Which circle shows a phosphodiester bond? ​