Does a Car Exhibit Simple Harmonic Motion?

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A car does not exhibit simple harmonic motion (SHM) because its motion is influenced by various forces and factors beyond the ideal conditions required for SHM. While the acceleration of a car can be related to its displacement from an equilibrium position, real-world factors like friction, engine power, and road conditions complicate this relationship. The discussion highlights the importance of understanding the principles of SHM, particularly in relation to a sprung buffer's movement. A thorough explanation of SHM principles is necessary to clarify the differences between idealized motion and actual vehicle dynamics. Understanding these concepts is crucial for accurately assessing whether a car can be considered to exhibit SHM.
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Can someone help me with this please? I think this moves with SHM (of a car), but I don't really know the principles of it very well. Thanks
 
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anyone? Please help...
 
Its acceleration is proportional to its displacement from an equiilibrium position and its direction is opposite?
 
thanks, but I want to know why and how a sprung buffer moves with SHM?
 
Can someone please help?
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
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