Type the answer in the given blank.An example of class two lever
Type the answer in the given blank.Screwdriver is an example of which type of simple machine
Type the answer in the given blank.An example of class three lever
Type the answer in the given blank.A triangular-shaped simple machine which has slanting edges that meet to form a sharp edge at one end
Type the answer in the given blank.A simple machine used to interlock two things