Which of the following simple machines is a second class lever? by Sunday | May 20 | Physics WAEC | 0 comments A. wheelbarrow B. crowbar C. claw hammer D. seesaw Correct Answer: Option A A. wheelbarrow Users Also Read These:A machine is said to be a third-class lever when the?The class that controls and supervises the…JSS2 Second Term Basic Technology Lesson Note –…A 90cm uniform lever has a load of 30N suspended at…Which of the following is not true of franking machines?