what is a mechanical accelerometer?
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This web page provides some descriptions and drawings of both horizontal and vertical mechanical accelerometers.\nhttp://solomon.physics.sc.edu/~tedeschi/midway/tm/4Measurements.html\n\n"[A] ... protractor, string and weight ... can be used to measure the horizontal component of acceleration (horizontal accelerometer).\n...\nThe simplest vertical accelerometer is a spring scale. You can tape a weight to the hook and, holding the scale vertical, read off the weight under various conditions. The number of 'gs' you experience in a given situation is the scale reading in that situation divided by the scale reading when you are not moving."\n\nA mechanical accelerometer is just an accelerometer that does not use electronic components, such as a Micro-Electro-Mechanical System or MEMS.
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It also may be known as strain Gage.\n\nYou can use this device in place of pressure strips.
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Maybe the following picture will give you an idea:\nhttp://pg.photos.yahoo.com/ph/dpeter508/detail?.dir=/c51a&.dnm=b97fre2.jpg&.src=ph\n\nThis is a binary pattern painted on the shaft, with three sensors (red dots in the pic).  The outermost sensor will detect black and white squares, and can determine rotational speed based on the rate that the black and white squares go by.  As the shaft rotates, the sensors will detect the 3-bit pattern painted on the shaft at any point.  If the shaft is turning in one direction, the pattern will appear to "count up" or down depending on direction.
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Exercise machine\nHome blood pressure monitor\nElectronic scales\nPerhaps?
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Mechatronics is the synergistic combination of mechanical engineering ("mecha" for mechanisms, i.e., machines that 'move'), electronic engineering ("tronics" for electronics), and software engineering. The purpose of this interdisciplinary engineering field is the study of automata from an engineering perspective and serves the purposes of controlling advanced hybrid systems.
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since its you science homework the answer your more than likely looking for is Newton meter, now its up to you to find out what you can on it
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Extreme position! \nBecause acceleration is directly propotional to the displacement from the mean position and directed opposite to it.\n\na=-(ω^2)x
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Which one.\nThey range from statical scales to efficient, low friction machines.
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Basically you have the right idea. Use momentum (mass x velocity) for the motion and the sudden change in speed and/or direction (acceleration) and you get force x time = kinetic energy trying to rip you apart or squash you like a bug.
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The equation for finding inertial mass is: m = F/a\n\nA known force F is applied, and acceleration (m/s^2) a is measured.
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Mechanical energy is one of several forms of energy. It is distinguished by the property that it can be transferred from one system to another by forces known to Newtonian mechanics, and includes kinetic energy and potential energy. The conservation of mechanical energy is a principle which states that, under certain conditions, the total mechanical energy of a system is constant.
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Mechanical engineering
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Mechanical measuring devices have some frictional mechanical resistance to movement, so might not be moved at all by small pressures.  That would be an error of 100%.  A manometer has frictional resistance approaching zero, so it is a good choice for getting a measurement with an error which is very small compared to the true value of the pressure.
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seismographs and seismometers
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An indoor rower is also known as an ergometer (slang ergo or erg). An ergometer being a device which measures the amount of energy or work performed. The indoor rower is calibrated to measure the amount of energy the rower is generating. Ergometer comes from the Greek word's ergon, meaning work and metron, meaning measure. An ergometer therefore is a device that literally means "work measurer".
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rotational sensor.. which is basically an inductive prox with a timming circuit to calculate revolutions.
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No. One of those gadgets that measures how far you've travelled and how many calories you've burned.\nI've included an example below - there are hundreds on the market.