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प्रश्न
A flat tire is harder to roll than an inflated tire because:
विकल्प
It is heavier
It deforms more, increasing the contact area and friction
It has less air inside
It rotates faster
MCQ
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उत्तर
It deforms more, increasing the contact area and friction
Explanation:
A flat tire loses its shape, increasing the contact area with the ground, which increases friction resistance.
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