You want to erect a pole of height 10 m with the support of three ropes. Each rope has to make an angle `30^(@)` with the pole. What should be the length of the rope?

A contractor wants to set up a slide for the children to play in the park. He wants to set it up at the height of 2 m and by making an angle of 30^(@) with the ground. What should be the length of the slide?

The tops of two poles of height 10 m and 18 m are connected with wire. If wire makes an angle of 30^@ with horizontal, the length of wire is____

An electrician wants to repair an electric connection on a pole of height 9 m. He needs to reach 1.8 m below the top of the pole to do repair work. What should be the length of the ladder which he should use, when he climbs it at an angle of 60^(@) with the ground? What will be the distance between foot of the ladder and foot of the pole?

An iron block of mass 10 kg is kept on a horizontal floor. The block is pulled by a rope at an angle 30^(@) with the floor. What should be the minimum force necessary to set the block in motion. Given mu = 0.5

The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30^o with horizontal, then the length of the wire is (a) 12 m (b) 10 m (c) 8 m (d) 6 m

A weightless wire has its ends rigidly fixed. From the mid-point of the wire on object of mass 500 g is hung so that each part of the wire subtends an angle of 30^(@) with the horizontal. Find the tension in each part of the rope.