What are the ima-ama and efficiency of the machine
In a particular machine the input force moves 18 cm while the load is lifted .5 cm. Experiment shows that the machine can lift a load of 500 N with a force of 30 N. What are the IMA, AMA, and efficiency of this machine?
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A 42 kg child sits in a swing supported by two chains, each 2.3 m long. The acceleration of gravity in 9.8 m/s2. Find the gravitational potential energy when the ropes make a 36 degree angle with the vertical.
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A string wrapped around the cylinder pulls downward with a force F which equals the weight of a 0.750kg mass, i.e., F = 7.357N. Calculate the angular acceleration of the cylinder.
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Experiment shows that the machine can lift a load of 500 N with a force of 30 N. What are the IMA, AMA, and efficiency of this machine?
A certain string just breaks when it is under 1000 N of tension. A boy uses this string to whirl a 20 kg stone in a horizontal circle of radius 5.0 m. The boy continuously increases the speed of the stone. At approximately what speed will the stri
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What is the IMA of the jack? Assuming the jack to be 40 percent efficient, how large a load can the applied 50 N lift?
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