If four turms of rope around a horizontal post will hold a 100 kg weight with a pull of 1 kg, then

Related MCQs

• In a tug of war, five men pull a rope to the left at A and six moen pull the rope at B. A weight of 5 kg is hung vertically from the centre of the rope. In order that the rope AB be horizontal
• What force is necessary to hold a weight of 100 kg suspended on a rope wrapped 3 times around a post
• The breaking strength of a rope is 400 N. A fireman weighing 60 kg slides down the rope. The rope will break if
• A rope of weight 0.5 kg/m hangs from a drum for a height of 6 m. The work done in winding up the rope will be
• A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is
• A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly
• A boy and his dad put a rope around a tree and stand side by side. What force by the boy can resist a force of 800 N by the dad?
• A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is
• A body of weight W is resting at a plane inclined at 30? to the horizontal. It is attached to a string making an angle of 60? with horizontal. If the angle of friction be 30? the tension in the string would be
• A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is