Q:

What is the difference between simple machines and complex machines?

A:

Simple machines have few or no moving parts while complex machines are composed of two or more simple machines working together as a single mechanism. Both types of machines make it easier to perform a task.

Machines make work easier by:

  • Changing the speed or distance of the force
  • Increasing the magnitude of the acting force over the applied force
  • Changing the direction of the applied force to that of the acting force
  • Transferring the force from where it was applied to where it acts

Simple machines employ one or more of these methods to reduce the amount of effort required. There are six simple machines:

  • Pulley
  • Inclined plane
  • Lever
  • Wedge
  • Screw
  • Wheel and axle

Because both wedges and screws are modified inclined planes, they are not always included in lists of simple machines.

Complex machines, also called compound machines, combine multiple simple machines to enhance the reduction of effort that the simple machines could supply individually.

Sources:

  1. uark.edu

Is this answer helpful?

Similar Questions

  • Q:

    What are some simple machines?

    A:

    The six simple machines are wedges, screws, levers, pulleys, wheels and inclined planes. Simple machines make work easier by transferring force from one place to another, changing the direction of a force, increasing a force, increasing the distance of a force or increasing speed of a force. All of these forces move mass.

    Full Answer >
    Filed Under:
  • Q:

    What is the difference between systematic and random error?

    A:

    Systematic error is a series of errors in accuracy that are consistent in a certain direction, while random errors are those which are caused by random and unpredictable variation in an experiment. Generally, systematic error is introduced by a problem that is consistent through an entire experiment. Random error is statistical fluctuations that are introduced by imprecision in measurement.

    Full Answer >
    Filed Under:
  • Q:

    What is the difference in shotgun primers?

    A:

    The difference in shotgun primers arises from the chemical composition of the primer compound that is found within the primer cap. Depending on the composition of this primer compound, the velocity of the shotgun shell can significantly increase or decrease.

    Full Answer >
    Filed Under:
  • Q:

    What is the difference between kinetic and potential energy?

    A:

    Kinetic energy is contained in a moving object, while potential energy exists in a stored form. Potential energy can be changed into kinetic energy. Potential energy is ready for release, while kinetic energy is already doing work. The property of a body determines the type of energy it contains.

    Full Answer >
    Filed Under:

Explore