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# What are the four main types of motion?

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The four main types of motion are translational, oscillatory, reciprocating and rotational motion. Some mechanisms use one type of motion for input but another type entirely for output.

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Motion is one of the most popular topics in physics, describing everything from the tiniest movement to something as large as the rotation of the a planet.

Over the centuries, scientists have discovered numerous laws that help us understand motion and the factors that cause changes in movement. Motion is driven by force, which is what gets things moving or changes the motion. Physicists use several criteria to measure motion. The speed at which an object moves, for example, is called velocity.

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## Related Questions

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Because any moving thing or object has kinetic energy, there are many examples of this energy type, including a ball dropping into water, a car in motion and a moving arrow. However, there are different types or forms of kinetic energy.

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The law of inertia is a fundamental physics principle used to describe how an object behaves in motion or at rest, particularly when forces are applied to it. The object can be anything that has mass.

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Angular motion is the motion of a body about a fixed point. The motion of pendulums and planets are examples of angular motion. Angular motion can also be used to describe the angle made during the motion of a body about a fixed axis.