# You asked: Why does the needle of sewing machine moves in a periodic motion?

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The motion of the needle of a sewing is oscillatory in nature because the needle it moving about its rest position and mean position in a to and fro motion. The amplitude of motion or the extent to which the needle moves is same every time the to and fro motion takes place.

## What type of motion does the needle of a sewing machine have?

The motion described by the needle of sewing machine is oscillatory motion.

## Why do we say that the needle of a running sewing machine shows periodic motion?

The needle of a sewing machine moves up and down and it repeats it with a certain time interval. Therefore it is periodic motion.

## What type of motion is a needle?

The motion of the needle of sewing machine represents the “periodic motion” as the needle repeats itself and moves up and down with the certain time interval . This happens in the case of periodic motion This is why needle of sewing is the periodic motion.

## What is the motion of a moving wheel of a sewing machine?

The moving wheel of a sewing machine is in Rotational motion…

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## What mechanism of the machine sets the sewing machine in motion?

Balance wheel – the wheel at the right of the arm that sets the mechanism in motion.

## What is period motion?

periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave. … Waves that can be represented by sine curves are periodic.

## What is the motion of train?

Train moving on a track follows a straight line, hence it undergoes rectilinear motion.

## What is the difference between oscillatory motion and periodic motion?

Difference between Oscillatory Motion and Periodic Motion

Examples of periodic motion are motion of hands of the clock, motion of planets around the sun etc. Oscillatory motion is defined as the to and fro motion of the body about its fixed position.