Work = Force * Distance
W = Fd
Thus, if you exert a large force on an object, but it doesn't move, you aren't doing any work.
2007-03-15 11:32:43
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answer #1
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answered by aconfusedkid96 2
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1 Apply the force to an object that is fixed in place so it can provide an equally large but opposite force.
2 Divert the object into a circular path. If in the equation
W = F*d*cos(theta)
theta = 90, then Work=0. An example o fhte object could be the moon if for the moment we assume the orbit is circular.
2007-03-15 15:53:54
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answer #2
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answered by sojsail 7
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Birds fly in the sky because of raise, weight, thrust and drag . a useless ringer for airplanes fly in the sky the concept is a similar. The 4 forces of flight are raise, weight, thrust and drag. raise pushes the fowl upward. The wings provide birds raise. Air strikes below the wings. yet, air strikes speedier on accurate of the wings. The slower air pushes on the wing more beneficial than the faster air. This makes the fowl upward thrust. Weight is Earth's gravity knocking down on a fowl. Thrust is the stress that strikes the fowl ahead. The flapping of the birds wings strikes the fowl ahead. Drag slows the fowl. you may experience drag once you stick your hand out the window of a transferring automobile.
2016-12-02 01:43:41
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answer #3
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answered by aoay 4
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My wife tries a lot of force but, I don't do any work !!!
(joke)
2007-03-15 11:29:13
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answer #4
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answered by Norrie 7
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You can try to use free energy, like gravity or inertia.
2007-03-15 11:46:51
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answer #5
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answered by hephaestus675111 2
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you sit at a desk n tell ppl what to do =)
2007-03-15 12:45:57
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answer #6
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answered by ecconcepts01 1
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