A mass of $100\,kg$ is moved with uniform velocity under the influence of force $F$, then the force acting on the beam due to string connected to the ceiling ............ $N$
$1470$
$1760$
$960$
$490$
Two masses $m$ and $M$ are attached to the strings as shown in the figure. If the system is in equilibrium, then
A dynamometer $D$ is attached to two blocks of masses $6 \,kg$ and $4 \,kg$ as shown in the figure. The reading of the dynamometer is ............ $N$
For given systen ${\theta _2}$ ....... $^o$
Calculate $T_1$ and $T_2$
A uniform beam of weight $W$ is attached to a vertical wall by a hinge $H$ . The beam is held horizontal by a rope as shown below. Which one of the following best shows the direction of the reaction force $R$ at the hinge ?