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.
Levers are typically labeled as first class, second class, or third class. All three types are found in the body, but most levers in the human body are third class. A first-class lever has the axis (fulcrum) located between the weight (resistance) and the force (figure 1.21 a).An example of a first-class lever is a pair of pliers or scissors. First-class levers in the human body are rare.One example is the joint between the head and the first vertebra (the atlantooccipital joint) (figure 1.21 b).n a third-class lever, the most common in the human body, force is applied between the resistance (weight) and the axis (fulcrum) (figure 1.23 a). Picture someone using a shovel to pick up an object. The axis is the end of the handle where the person grips with one hand.