Give one example each of a class I lever where mechanical advantage is (a) more than 1, and (b) less than 1.
Which one of the following class I lever has the mechanical advantage more than 1?
Which type of lever has a mechanical advantage always more than 1 ? Give reason with one example. What change can be made in this lever to increase its mechanical advantage ?
The mechanical advantage of a class II levers is always more than 1, because
Why is the mechanical advantage of a class II lever always more than 1?