# Linear Motion

เราจำหน่ายสินค้าเกี่ยวกับ Linear Motion หลาย Application – ซื้อสินค้าง่าย-มีระบบจัดส่ง-มีมาตราฐาน-จดทะเบียนการค้าอิเลคทรอนิกส์ มีความปลอดภัย-ราคาเหมาะสม

# Linear Motion

One dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension.

The linear motion can be of two types: uniform with constant velocity or zero acceleration; non uniform with variable velocity or non-zero acceleration.

# Linear motion is the most basic of all motion.

According to Newton’s first law of motion, objects that do not experience any net force will continue to move in a straight line with a constant velocity until they are subjected to a net force.

Under everyday circumstances, external forces such as gravity and friction can cause an object to change the direction of its motion,

so that its motion cannot be described as linear.

# One may compare to general motion.

In general motion, a particle’s position and velocity are described by vectors, which have a magnitude and direction.

the directions of all the vectors describing the system are equal and constant which means the objects move along the same axis and do not change direction.

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