Navigate

A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity

A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity at the highest point of the circle will be

Options

(a) √2Rg
(b) √3Rg
(c) √Rg
(d) 2Rg

Correct Answer:

√Rg

Explanation:

Frictional force = Centripetal force mg = mv² / R ⇒ v² = mgR / m ⇒ v² = Rg Therefore, minimum velocity v = √Rg

RA2001
admin:

Related Questions

  1. On observing light from three different stars P, Q and R, it was found that intensity
  2. A bar magnet of magnetic moment M is placed at right angles to a magnetic
  3. Energy in a current carrying coil is stored in the form of
  4. The displacement of a particle along the x-axis is given by x = a sin² ?t
  5. The motion of a particle along a straight line is described by equation