In the given arrangement, the normal force applied by block on the ground is
$m g$
$m g-F \cos \theta$
$m g+F \cos \theta$
$F \cos \theta$
A boy is hanging from branch of a tree as shown. Angle between his arm, for tension to be maximum in arms must be ............ $^o$
When a body is stationary
A body of weight $2\, kg$ is suspended as shown in the figure. The tension ${T_1}$ in the horizontal string (in kg wt) is
Which of the following sets of concurrent forces may be in equilibrium