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प्रश्न
Which of the following best defines friction?
विकल्प
A force that helps objects move faster
A property that resists relative motion between two surfaces in contact
Force that acts perpendicular to surfaces
Force that increases machine efficiency
MCQ
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उत्तर
A property that resists relative motion between two surfaces in contact
Explanation:
Friction is defined as the property that resists the relative motion between two surfaces in contact.
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