Physics
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
Related Questions
Draw a labelled sketch of a class III lever. Give one example of this kind of lever.
Draw diagrams to illustrate the position of fulcrum, load and effort, in each of the following:
(a) A seesaw
(b) A common balance
(c) A nutcracker
(d) Forceps
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