Question

Write short note on lever and winch crab machine?​

Answer 1

Explanation:

LEVER : A lever (/ˈliːvər/ or US: /ˈlɛvər/) is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types.

simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types.Components: fulcrum or pivot, load and effort

simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types.Components: fulcrum or pivot, load and effortExamples: see-saw, bottle opener, etc

WINCH CRAB MACHINE : Winch crabs is a type of the lifting machines in which velocity ratio is increased by a gear system which is included in the system. If only one set of gears is used in the system then the winch crab is called a Single Purchase Winch Crab, and if two sets are used in the system it is called Double Purchase Winch Crab.