Q:

What are some examples of second class levers?

A:

Quick Answer

Examples of second class levers include doors, staplers, wheelbarrows and can openers. In a second class lever, the load is found between the effort and the fulcrum. The direction of the effort and the load are the same.

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Full Answer

There are three different types of levers: first class, second class and third class. In first class levers, the fulcrum is between the load and the effort. The direction of the effort is opposite of the load. Examples of first class levers include see-saws, crowbars, pliers and scissors. In third class levers, the effort is between the load and the fulcrum. More force is required in a third class lever to move an object. Examples of third class levers include a broom, a hoe, a fishing rod and a baseball bat.

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Related Questions

  • Q:

    What are 1st, 2nd and 3rd class levers?

    A:

    The first class lever uses the fulcrum in between the applied force and load, the second class lever uses the load between the fulcrum and applied force and the third class lever uses the applied force between the fulcrum and the load. Levers help to lift heavy objects.

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  • Q:

    Is a shovel a second-class lever?

    A:

    No, the shovel is a third-class lever. In such systems, the effort is positioned between the fulcrum and the load. Mechanics of using a shovel involve holding one end steady with a hand, making the fulcrum, while the other hand applies force, or effort, to pull up the load.

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  • Q:

    What are some examples of six simple machines?

    A:

    Examples of six simple machines include windmills, slides, chisels, drills, blinds and seesaws. A windmill is a wheel and axle, slides are inclined planes, a chisel is a wedge, a drill is a screw, blinds are pulleys and a seesaw is a lever. Simple machines allow humans and animals to do work more easily by lessening the amount of force needed to move objects.

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  • Q:

    How do levers work?

    A:

    HowStuffWorks explains that levers work by reducing the force needed to move weights. They achieve this by increasing the distance through which the required force acts. For instance, a 1-kilogram force that acts through a distance of 3 meters is capable of moving a 3-kilogram weight in 1 meter, if friction is ignored.

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