Question Answers

Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 2 - Kinematics > A bob of mass m attached to an inextensible string of length I is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed ω red/s about the vertical support . About the point of suspension:

A bob of mass m attached to an inextensible string of length I is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed ω red/s about the vertical support . About the point of suspension:

A ball rests upon a flat piece of paper on a table top. The paper is pulled horizontally but quickly towards right as shown. Relative to its initial position with respect to the table i.e. in the direction in which the paper is pulled. Here i.e. to the left if there is a friction between the paper and the ball. c) moves forward the ball a) remains stationary if there is no friction between the paper and the ball. b) moves to the left and starts rolling backwards the correct statement/s is /are..........