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प्रश्न
Why is a wooden plank laid down for pulling out a car which is stuck in mud?
दीर्घउत्तर
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उत्तर
A wooden plank is laid down when a car is stuck in mud because the muddy surface offers poor grip and the wheels may keep slipping. The plank provides a firm and rough surface, which increases the friction between the tyres and the surface. This better grip helps the wheels move forward and makes it easier to pull the car out of the mud.
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