(Q1) A 50kg boy suspends himself from a point on a rope tied horizontally between 2 vertical poles. the 2 secments of the rope are then inclined at angles 30degrees and 60degrees respectively to the horizontal. The tension in the sefments of the rope is (a)25.0 and 43.3(b)50.0 and 25.0(c)100.0 and 43.5(d)100.0 and 25.0 (Q2) A rope suspended from a ceiling supports an object of weight W at its opposite end.Another rope tied to the first at the middle is pulled horizontally with a force of 30N. The junction p of the ropes is in equilbrum.Calculate the weight W and the tension (a)27.2N and 39.2N(b)40.5N and 62.5N (c)30.4N and 53.7N(d)16.6N and 27.3N (Q3) A 150kg ladder leans against a smooth wall, making an angle of 30degrees with the floor. The centre of gravity of the ladder is one -third the way up from the bottom.How large a horizontal force must the floor provide if the ladder is not to slip? (a)28.7N(b)54.3N(c)37.6N(d)63.4N

Question

(Q1) A 50kg boy suspends himself from a point on a rope tied horizontally between 2 vertical poles. the 2 secments of the rope are then inclined at angles 30degrees and 60degrees respectively to the horizontal. The tension in the sefments of the rope is (a)25.0 and 43.3(b)50.0 and 25.0(c)100.0 and 43.5(d)100.0 and 25.0 (Q2) A rope suspended from a ceiling supports an object of weight W at its opposite end.Another rope tied to the first at the middle is pulled horizontally with a force of 30N. The junction p of the ropes is in equilbrum.Calculate the weight W and the tension (a)27.2N and 39.2N(b)40.5N and 62.5N (c)30.4N and 53.7N(d)16.6N and 27.3N  (Q3) A 150kg ladder leans against a smooth wall, making an angle of 30degrees with the floor. The centre of gravity of the ladder is one -third the way up from the bottom.How large a horizontal force must the floor provide if the ladder is not to slip? (a)28.7N(b)54.3N(c)37.6N(d)63.4N