Define a lever.

Define mechanical advantage of a lever.

Define mechanical advantage of a lever.

Which of these machines are levers of second order? Crowbar, tongs, wheel barrow, nutcrackers, lever balance

Write down a relation expressing the mechanical advantage of a lever.

Define mechnical advantage in lever.

Define fulcrum, load arm and effort arm of a lever.

Define mechanical advantage (M.A) of a simple machine or state the principle of lever.

Draw a labelled diagram of a class II lever. Give one example of such a lever.

Action of a lever is an example of __________ force .

The diagram below shows a lever in use. If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.