1 -walla (or-wala, wali fem.), derived from Marathi and Hindustani à¤µà¤¾à¤²à¤¾ ÙØ§ÙØ§ -vÄlÄ (suffix forming an adjectival compound with a noun or an agentive sense with a verb), an Indian surname or suffix indicating a person involved in some kind of activity, where they hail from or what they wear (Topiwala), for example: -walla (or-wala, wali fem.), derived from Marathi and Hindustani à¤µà¤¾à¤²à¤¾ ÙØ§ÙØ§ -vÄlÄ (suffix forming an adjectival compound with a noun or an agentive sense with a verb), an Indian surname or suffix indicating a person involved in some kind of activity, where they hail from or what they wear (Topiwala), for example:
Car shaking problems are usually the results of mechanical problems. Out of adjustment tires or suspension will make the car shake after reaching a certain speed.
Each body has a material property called as natural frequency. When at this idle rpm, the engine is spinning with an rpm that matches with the natural frequency of the car. Thus the shaking. You must have observed how when a royal Enfield bike zooms past your home, the windows start to crackle and make a noise.