Question

find examples of levers and determine the location of the fulcrums, effort force, load force, effort arm, and load arm for each. For each lever, you will: A. Fake a picture or draw a sketch of the lever.B. State the lever’s purpose.C. Determine which of the five main functions of simple machines the lever fulfills.D. Label the load arm, effort arm, load force, effort force, and fulcrum.E. Determine if it is a 1st class lever, 2nd class lever, or 3rd class lever.

Answer 1

Part A. We will analyze the following lever:

Part B. This type of lever is seen in construction carts and is used to transport heavy materials.

Part C. The main function of this lever is to magnify the force and therefore, reduce the effort of loading and transporting heavyweights.

Part D. The lever has the following parts:

Part E. In this lever, the load is between the effort and the fulcrum therefore, this is a class two lever.