[11/11, 12:32] Dr. Harish Ravi: And same with 4 wheeler how is small piston smooth movement converted to tyre friction foraward movement..
[11/11, 12:44] Dr. Harish Ravi: Is it just gear ratio or more like power of energy release and mass of car also..
[11/11, 12:52] Dr. Harish Ravi: With this question biking might be easier as turn friction is less
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