Study the diagram below and use it to answer questions that follow. (a) Name the type of simple machine...

51. Study the diagram below and use it to answer questions that follow.
(a) Name the type of simple machine drawn above.
(c) Calculate the mechanical advantage of the machine above. (02 marks)
52. (a) Apart from plants and animals, write down any two other inexhaustible resources.
(i)
(ii)
(b) Identify any one instrument man can use to harvest the following;
(i) Hydro - electricity
(ii) Wind