WebAMA accounts for additional energy needed to overcome friction in real machines. AMA is always less than IMA because all machines are less than 100% efficient. (pp. 299-301) 7. What we know: F = 15 N, d = 28 m, -85 =4.7m out out Unknown: IMA, AMA Write the formulas and solve for the unknowns: 8. WebJul 30, 2024 · Ideal Mechanical Advantage (I.M.A.) & Actual Mechanical Advantage (AMA) The ratio of load to the effort is known as mechanical advantage. ∴ Mechanical advantage (M.A) =Load (W)/Effort (E). If a large load is lifted with small effort, then the mechanical advantage is greater than one.
In a real machine, the AMA is always the IMA.
WebJul 2, 2015 · Explanation: The Actual Mechanical Advantage AMA is equal to: AM A = F out F i.n that is, the ratio between the output and input force. The ideal mechanical advantage, IMA, is the same but in absence of FRICTION! In this case you can use the concept known as CONSERVATION of ENERGY. WebApr 12, 2016 · This answer has been confirmed as correct and helpful. In the refrigeration cycle, heat is exchanged through the expansion and condensation of gases. Weegy: In the … fit show exhibitor hub
Which of the following describes the efficiency of real machines?
WebA machine makes work easier by: a. Changing the amount of force you exert b. Changing the distance over which exert your force c. Changing the direction in which you exert your force Input force The force you exert on a machine. This is sometimes called the effort force. Output force The force exerted by the machine. WebEfficiency in real machines will always be less than 100 percent because of work that is converted to unavailable heat by friction and air resistance. W o and W i can always be … WebIn a real machine, the AMA is always the IMA. In a real machine, the AMA is always the IMA. FALSE. Log in for more information. Question. Asked 4/12/2016 7:43:09 AM. Updated 4/12/2016 8:01:46 AM. 1 Answer/Comment. f. Get an answer. Search for an answer or ask Weegy. New answers. Rating. 8. jeifunk. M. In a real machine, the AMA is always the ... can i deduct my hotel stay at my new job