Physics-
General
Easy

Question

In a bicycle the radius of rear wheel is twice the radius of front wheel. If rF and rr are the radius, vr and vr are speed of top most points of wheel respectively, then...

  1. straight v subscript straight r equals 2 straight v subscript straight F
  2. straight v subscript straight F equals 2 straight v subscript straight r
  3. straight v subscript straight f equals straight v subscript straight r
  4. straight v subscript straight F greater than straight v subscript straight r

The correct answer is: straight v subscript straight F equals 2 straight v subscript straight r

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b) It's as dead as a doornail.
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A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then

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A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then

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Rewrite the sentences with capital letters for places and nan
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Tow uniform rod of equal length but different masses are rigidly joined to form L shaped body which is then pivoted as shown. If in equilibrium the body is in the shown configuration ratio M' m will be.......

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A mass M is supported by a mass less string wound around a uniform cylinder of mass M and radius R as in figure. With what acceleration will the mass fall on release?

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Choose the correct synonym for the word "plan"

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Two identical hollow spheres of mass M and radius R are joined together and the combination is rotated about an axis tangential to one sphere and perpendicular to the line connecting their centers. The moment of inertia of the combination is

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Three rings, each of mass P and radius theta are arranged as shown in the, figure the moment of inertia of the arrangement about YY" axis will he

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