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प्रश्न
A flat tyre is harder to roll than an inflated tire because ______.
पर्याय
It is heavier
It deforms more, increasing the contact area and friction
It has less air inside
It rotates faster
MCQ
रिकाम्या जागा भरा
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उत्तर
A flat tyre is harder to roll than an inflated tyre because 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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