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:The period of a simple pendulum X is 5s. What is the…Which of these is not a second class lever?JSS2 Second Term Basic Technology Lesson Note –…The class that controls and supervises the…A 90cm uniform lever has a load of 30N suspended at…