Lever arm

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Manivela Kolu is a vital component of machines that amplifies force to increase efficiency and productivity. It enables mechanical devices to perform tasks that would be impossible without it. The crankshaft, also known as the main shaft, rotates when an engine's pistons move up and down. This rotation causes the crankshaft to turn, which in turn drives the vehicle forward. The rotation of the crankshaft is what ultimately propels the car or truck.