SECTION - A objective Type Questions (One option is correct) A smooth right-angled rigid triangular frame ABC made of a thin rod is fixed in a vertical plane. A small bead starting from rest from corner A takes equal time t to slide down the arms AB and AC. If BC = 1, then A (1) 9 cm (3) 11 C 4. A uniform B the verti 16% C resting o is hangi 51 81 chain m (1 ) t =. (2) t = 15g figure, th 129 61 (3) t = (4) t = Ro a V5g 2. A large rope having linear mass density ) is being pulled by a horizontal force so that lower portion of 3 (1 ) rope is at rest and upper portion is moving with constant velocity vo as shown in figure. The value of F, is (3)