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प्रश्न
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
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उत्तर
Knot in a thread : increase friction : : Ball bearing : reduces friction
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संबंधित प्रश्न
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Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
