Physics
The diagram below shows a rod lifting a stone.
(a) Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
(b) What class of lever is the rod?
(c) Give one more example of the same class of lever stated in part (b).
Machines
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Answer
(a) Below diagram shows the position of fulcrum F and the directions of load L and effort E:
(b) The rod is a Class II lever as the load is between fulcrum and effort.
(c) A nut cracker is also an example of a Class II lever.
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