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प्रश्न
A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude of its linear momentum, the radial force acting on the particle is ______.
पर्याय
pmr
`"rm"/"p"`
`"mp"^2/"r"`
`"p"^2/"rm"`
MCQ
रिकाम्या जागा भरा
उत्तर
A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude of its linear momentum, the radial force acting on the particle is `" p"^2/"rm"`.
Explanation:
Radial force = `"mv"^2/"r" = "m"/"r"("p"/"m")^2 = "p"^2/"MR"` .... [`because` p = mv]
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