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प्रश्न
The least coefficient of friction for an inclined plane inclined at angle α with horizontal in order that a solid cylinder will roll down without slipping is ______.
पर्याय
`2/3`tan α
`2/7`tan α
tan α
`5/7`tan α
MCQ
रिकाम्या जागा भरा
उत्तर
The least coefficient of friction for an inclined plane inclined at angle α with horizontal in order that a solid cylinder will roll down without slipping is tan α.
Explanation:
μ = `"F"/"R"`
= `("mg"sinalpha)/("mg"cosalpha)`
= tan α
shaalaa.com
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