Indicate the positions of load L, effort E and fulcrum F in the forearm shown alongside in Fig. Name the class of lever.
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.
State the class of levers and the relative positions of load (L), effort (E) and fulcrum (F) in (a) a bottle opener, and (b) sugar tongs.
Define the three kinds of a lever. Draw diagrams to show the position of fulcrum, load and effort in the kinds of levers.
In class 2 lever, load comes between an effort and a fulcrum.