Physics, 20.08.2019 18:30 nevecronin
An input force of 50. newtons is applied through a distance of 10. meters to a machine with a mechanical advantage of 3. if the work output for the machine is 450 newton · meters and this work is applied through a distance of 3 meters, what is the output force of the machine?
Answers: 1
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What is the single most important equation in all of physics?
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Aspring has a relaxed length of 33 cm (0.33 m) and its spring stiffness is 6 n/m. you glue a 76 gram block (0.076 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 15 cm. you make sure the block is at rest, then at time t=0 you quickly move your hand away. the block begins to move upward, because the upward force on the block by the spring is greater than the downward force on the block by the earth. calculate y vs. time for the block during a 0.09-second interval after you release the block, by applying the momentum principle in three steps each of 0.03-second duration.
Answers: 1
An input force of 50. newtons is applied through a distance of 10. meters to a machine with a mechan...
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