A pair of smith's tongs is an example of the lever of

A pair of smith's tongs is an example of the lever of Correct Answer First order

Engineering Mechanics mcq solution image

First Order Levers: First class levers have the fulcrum between the force and the load. In using a screwdriver to lift the lid from a paint tin you are moving the effort over a greater distance than the load.

Second Order Levers: In second class levers the load is between the effort (force) and the fulcrum. A common example is a wheelbarrow where the effort moves a large distance to lift a heavy load, with the axle and wheel as the fulcrum.

Third-order levers: With third class levers the effort is between the load and the fulcrum, for example in barbecue tongs.

Source : primaryconnections.org.au

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