Which of the following groups of forces could be in equibrium
Figure shows two cases. In first case a spring (spring constant $K$ ) is pulled by two equal and opposite forces $F$ at both ends and in second case is pulled by a force $F$ at one end. Extensions $(x)$ in the springs will be
A weight can be hung in any of following four ways by using same string. In which case is the string more likely to break is :-
Define $SI$ unit of force $N$. Define $CGS$ unit of force dyne.