The velocity ratio in case of an inclined plane inclined at angle ? to the horizontal and weight being pulled up the inclined plane by vertical effort is

Related MCQs

• The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.
• A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
• A body will begin to move down an inclined plane if the angle of inclination of the plane is
• The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane
• In a screw jack, the effort required to lift the load is given by. Where W = Load lifted, ? = Helix angle, and ? = Angle of friction
• The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is
• In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
• If a number of forces are acting at a point, their resultant will be inclined at an angle ? with the horizontal, such that
• A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
• The minimum force required to slide a body of weight W on a rough horizontal plane is