A claw-tooth hammer being used to pry up a nail is an example of which class of lever?
A. 1st class
B. 2nd class
C. 3rd class
D. not a lever
Answer: A. 1st class
A claw-tooth hammer being used to pry up a nail is an example of which class of lever?
A. 1st class
B. 2nd class
C. 3rd class
D. not a lever
Answer: A. 1st class