Cyrtomium falcatum. 1  Aptly named, Japanese holly fern produces fronds that do indeed resemble holly leaves with their glossy, deep green leathery appearance. 2  It needs moist but well-drained soil in a protected location to thrive. 3  It also makes for a good houseplant in climates where it isn't hardy.
A baseball bat is a third-class lever because the fulcrum is on the  end of one side, the effect force is in the middle, and the  resistant force, the load, is at the top.
The final class of levers is called the third class lever. In this kind of lever, the fulcrum is located at one end and the load is at the other end of the lever arm. The effort then is located between the fulcrum and the load. An example of a third class lever in the human body is that of the biceps muscle in the arm.The third class lever action is the primary reason why our arm is able to flex so quickly and with so much force.n a first class lever, the amount of weight and the distance from the fulcrum can be varied to comply with what is needed. An example of a first class lever in the human body is the triceps muscle of the arm. In this example of a first class lever, the elbow is defined as the fulcrum and the hand as the load.