A hand-operated air pump for inflating bicycle tires must be able to generate pressures up to 80 psi. These pumps do not require the user to apply much force, however. If the user can apply up to 40 pounds, what should be the area of the pump's piston?
What will be an ideal response?
0.5 in^2
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Some scientists refer to the inborn love of nature as ____
a. horticulture c. biophilia b. naturology d. altruism
The ____________________ is the area where the windpipe on the underside of the horse’s neck meets the head.
Fill in the blank(s) with the appropriate word(s).
A sheet metal screw holding a metal body panel has pierced the insulation of a wire and is touching the copper wire. This would cause a ________
A) High resistance B) Short to ground C) Short to power D) None of these
An advantage of the adjustable wrench is that one tool can be used for many sizes. What is one of its disadvantages?
A) It is bulkier than an end wrench and will not fit in some places B) If it is adjusted too loosely, it will slip and round off the nut or bolt head. This is also hard on the users knuckles C) A and B above D) There are no disadvantages