a) In 1975 the roof of Montreal's Velodrome, with a weight of 360.0 kN, was lifted by 10.0 cm so that it could be centeredHow much work was done on the roof by the forces making the lift? (b) In 1960 a Tampa, Florida, mother reportedly raised one end of a car that had fallen onto her son when a jack failedIf her panic lift effectively raised 4000.0 N(about 1/4 of the car's weight) by 5.00 cm, how much work was done by her force acting on the car?
2 cups all-purpose flour 1 large egg 1 teaspoon salt 1/2 cup ice water Cornstarch Sift the flour into a large bowlLightly beat the egg with the saltStir in 1/4 cup of waterAdd the egg and the ice water to the flourStir in as much of the remaining 1/4 cup of water as needed to form a sticky batterTurn the dough out onto lightly floured surface; knead until smooth and elastic, about 5 minutesCover the dough and let rest for at least 30 minutesKnead the dough briefly, then cut in halfTurn out onto a lightly floured surface.Roll each half into a cylinderLightly score so that you have 12 equal piecesRoll each piece out into a 3 1/2-inch squareStack the wrappers while you are preparing the remainder, covering with a damp cloth so that they don't dry outIf necessary, lightly dust the wrappers with flour or cornstarch to prevent them from sticking togetherUse immediately, or refrigerate or freeze in a plastic bag until ready to use.
Work Force distance 360kN 0.100m 36 kNm Work Force distance 4000N 0.050m 200Nm
filo dough or wonton wrapers
