A mass of $2\, kg$ suspended with thread $AB$ (figure). Thread $CD$ of the same type is attached to the other end of $2\, kg$ mass. if the lower thread is pulled with a jerk, what happens ?
A weight can be hung in any of the following four ways by string of same type. In which case is the string most likely to break?
A book is lying on the table. What is the angle between the action of the book on the table and the reaction of the table on the book ............ $^o$
Write important guidance for solving problems in mechanics.
An object is subjected to a force in the north-east direction. To balance this force, a second force should be applied in the direction
A uniform thick string of length $5\,m$ is resting on a horizontal frictionless surface. It is pulled by a horizontal force of $5\,N$ from one end. The tension in the string at $1\,m$ from the force applied is ......... $N$