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A non-inertial reference frame (also known as an accelerated reference frame) is a frame of reference that undergoes acceleration with respect to an inertial frame. An accelerometer at rest in a non-inertial frame will, in general, detect a non-zero acceleration.
This chapter has focussed on describing motion in non-inertial frames of reference. It has been shown that the force and acceleration in non-inertial frames can be related using either Newtonian or Lagrangian mechanics by introducing additional inertial forces in the non-inertial reference frame.
Learn the definition, types, and examples of inertial and non-inertial frames of reference in physics. An inertial frame is where Newton's law holds true, while a non-inertial frame is where Newton's law is violated. Find out how to use the transformation between different frames and solve problems related to them.
We can model your motion in the non-inertial frame of reference of the elevator, where your acceleration is zero. The forces that are exerted on you are: \(\vec F_g\) , your weight, with magnitude \(mg\) .
Learn how to analyze motion in non-inertial reference frames, such as rotating or accelerating frames. Find the transformation laws, fictitious forces, and examples of centrifugal and Coriolis effects.
A frame in which there are no fictitious forces present is called an inertial frame, and frames that give rise to fictitious forces are called non-inertial.
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common.
