0.025 10 19.5 40
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A screwdriver is used to pry the lid off a paint can. The resistance arm is 0.5 centimeters. The effort arm is 20 centimeters. What is the mechanical advantage of the screwdriver?
Possibilities:
- 0.025
- 10
- 19.5
- 40

40