Question

14. What is a lever? State its principle. Pg. 419
35. Derive the relationship between mechanical advantage, effort arm and load arm.
16. How are different types of levers classified?​

Answer 1

Answer:

14. A lever is a simple machine.

35. Mechanical advantage is ratio of load to effort also it is ratio of effort arm to load arm.

Explanation:

16. There are 3 types of lever:

Type one has pivot or fulcrum between load and effort.

Type two has load between pivot and effort.

Type 3 has effort between pivot and load.