(a) The velocity changes both in magnitude as well as in direction. (c) Condition for leaving circular path:- √2 gl < V A ?√5 gl (b) Condition for oscillation:- V A ?√2 gl (a) For lowest point A and highest point B, T A – T B = 6 mg The minimum tension in the string, at the lowest point, required to take the body around the vertical circle is equal to six times the weight of the body. The minimum velocity of the body, at the lowest point, required to take the body round a vertical circle is √5 gr. Motion in a vertical circle/looping the loop:. Time period of conical pendulum:- T = 2π √ lcos θ/ g (b) Radius of curvature:- Smaller the radius, greater is the angle with the vertical. (a) Velocity of the cyclist:- Greater the velocity, greater is his angle of inclination with the vertical.
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