Let's say you apply 50 lbs of force to the long end of a wrench, and the other end of the wrench applies 800 lbs of force to a bolt. What is the mechanical advantage of using this wrench? Calculate it.
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- What is the mechanical advantage of a nail puller—similar to the one shown in Figure shown —where you exert a force 45 cm from the pivot and the nail is 1.8 cm on the other side? What minimum force must you exert to apply a force of 1250 N to the nail?How much work does a torque of 5Nm do when rotated through an angle of 130o?an automobile with a mass of 76.0 kg is 1.00 m from the end of a 2.22 m workbench. what mass, in kg, must each end of the workbench support
- The wheel and axle of a wheel -and -axle have radii 50cm and 10cm respectively. if one -fifth of the work done by the effort is used in overcoming friction, an effort of 500N applied to the wheel will raise what amount of load ? Please don't answer in hand written.. please avoid hand writtenThe bar is 10m long. A mass of 40kg placed at 9m from left end of the bar. Where should a 60kg mass be placed to balance the bar ?In a two-pulley system, the centers of the pulleys are 20 inches apart. If the radius of each pulley measures 6 inches, how long is the belt used in the pulley system?
- What is the mechinaical advantage of the class 1 leverWhere does the force need to be produced on a lever if it has a resistance arm of .90m and 35kg of resistance and the force produced is 50kg to keep this in balance?Below is a metal beam of length 8m rests on a pivot at 2m from the right end. To balance the weight of the metal beam, two metal posts have been attached. The metal post on the right has a mass of 200 kg and is 50cm from the right end. The metal post on the left has a mass of 500kg and is 1.5 m from the right end. What is the mass of the metal beam?
- What is the mechanical advantage of a nail puller—similar to the one shown in Figure shown —where you exert a force 45 cm from the pivot and the nail is 1.8 cm on the other side? What minimum force must you exert to apply a force of 1250 N to the nail?What force does the nail puller exert on the supporting surface? The nail puller has a mass of 2.10 kg.An engine has torque of 550 n m at 8. rad/s. what power in watts does it develop?A hoop of radius 2 m weighs 100 kg. It rolls along a horizontal floor so that its centre of mass has a speed of 20 cm/s. How much work has to be done to stop it?