Why is the flexural modulus so important for many plastic applications?
What will be an ideal response?
Many plastics are used in applications where the plastic is a cover, a seat, or a board-like structure. The most common type of force that these materials would encounter would be flexural. The modulus is often more important than the strength because these materials rarely fail
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Greta had 142 brood cows. She lost 3 cows and calves during calving and 5 calves died later. She had 4 cows that did not calve.
a. What percent of the cows did she lose? Express your answer to the nearest tenth of a percent? b. How many calves does she have? c. What percent of her remaining cows have calves. Express your answer to the nearest percent?
Apples and pears are usually harvested by _____
a. vacuums c. human hands b. mechanical hands d. tree shakers
Which of the following is not a type of packing?
A. twisted fiber packing B. square-braided packing C. braid-over-braid D. intertwisting
In 1776, James Watt and Matthew Boulton invented the first truly efficient steam engine, which was powered
by coal.
Indicate whether the statement is true or false.