When a truck’s tires spin in loose gravel, they struggle to gain traction, often leaving the vehicle stuck. By placing a log between the tires and the gravel, we can utilize the principle of friction. The friction between the tires and the log provides a stable surface for the tires to grip, allowing the truck to push forward instead of continuing to slip. This method functions similarly to the use of a wedge in physics, where increased contact surface and applied force help move objects more ef

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