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.
When you do a pushup, your body is acting like a second-class lever with your toes as the fulcrum helping to lift your entire weight with your arms. In a third-class lever, the effort force is between the fulcrum and the load. Baseball bats, oars, and shovels are examples of third-class levers.Mechanical advantage (MA) is a value that tells the number of times a lever increases your effort force.n a third-class lever, the effort force is between the fulcrum and the load. Baseball bats, oars, and shovels are examples of third-class levers. Mechanical advantage (MA) is a value that tells the number of times a lever increases your effort force.