The figure below shows a human hand. Mark the positions of load, effort, and fulcrum in the diagram. Name the type of lever hand.
In fig shows a lemon crusher.
(a) In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.
(b) Name the class of lever.
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).
Define the three kinds of a lever. Draw diagrams to show the position of fulcrum, load and effort in the kinds of levers.