Cardiac
发表于 2025-3-28 16:52:34
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Endoscope
发表于 2025-3-28 22:08:10
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Pelago
发表于 2025-3-28 23:38:18
Kinematic Chains,angles..To avoid confusion we can separate out each individual action, such as an individual rotation or an individual translation down a limb, so that they are only combined when we multiply their matrices together..We have to be clear about the order in which to put the matrices. If we start at th
后退
发表于 2025-3-29 06:13:38
Vibration,nant’ frequency away from that of a disturbance..As a musician, you would wish to shape the vibration to something that sounds pleasant!.So to deal with a vibrating system you should:.Now there are two ways to go about step 3. You can mess about with simultaneous equations and algebra, or you can us
被告
发表于 2025-3-29 11:16:57
Modes,..An example of such a system is a simple pendulum, swinging from side to side. But that pendulum has another degree of freedom where it swings towards us or away, or any combination of the two, swinging diagonally or in circles or ellipses. It has two frequencies, although in this case they are the
Nefarious
发表于 2025-3-29 12:03:24
Rocket Science, dynamics – and so many of them are wrong! When a ‘starfighter’ banks, it is shown zooming away in a curve. But Newton’s laws tell you that you have to fire a jet perpendicular to the path if you want to change its line. The star-ship ‘Enterprise’ is shown with the unfortunate property that if its e
Hemiparesis
发表于 2025-3-29 19:38:46
Vibration,th a vibrating system you should:.Now there are two ways to go about step 3. You can mess about with simultaneous equations and algebra, or you can use the power of matrices to help you..This gives an exponential solution that is easy to recognise.
Paleontology
发表于 2025-3-29 23:47:25
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同音
发表于 2025-3-30 03:53:05
Linear and Angular Momentum,e same way, a couple and a force can either be combined into a force with a different line of action, or more generally into a ‘wrench’. Finally linear and angular momentum are combined with an impulse in finding the ‘sweet spot’ of a cricket bat.
MILK
发表于 2025-3-30 06:37:44
Textbook 2018oscillatory systems. However, in this textbook, the author draws on his long experience of designing autopilots, robots for nuclear inspection and agricultural machine guidance to present the essentials with a light touch. The emphasis is on a deep understanding of the fundamentals rather than rote-