Two like parallel forces $20 \,N$ and $30 \,N$ act at the ends $A$ and $B$ of a rod $1.5 \,m$ long. The resultant of the forces will act at the point ........

$A$ man is standing on a balance and his weight is measured. If he takes a step to the left side,then his weight:

Find the magnitude of the unknown forces $x$ and $y$ if the sum of all forces is zero.

An iron sphere weighing $10 \, N$ rests in a $V$-shaped smooth trough whose sides form an angle of $60^o$ as shown in the figure. Then the reaction forces are:

See the figure given below. $A$ mass of $6 \; kg$ is suspended by a rope of length $2 \; m$ from the ceiling. $A$ force of $50 \; N$ in the horizontal direction is applied at the midpoint $P$ of the rope,as shown. What is the angle the rope makes with the vertical in equilibrium (in $^{\circ}$)? (Take $g = 10 \; m s^{-2}$). Neglect the mass of the rope.

$A$ man of mass $50 \,kg$ carries a bag of weight $40 \,N$ on his shoulder. The force with which the floor pushes up his feet will be ......... $N$.