1 Rotating frames The Coriolis and centrifugal accelerations describe the difference between the true motion of a body according to Newton's and Kepler's laws and the motion expected by a terrestrial observer unacquainted with the properties of rotating frames- or unaware that the Earth rotates. We may illustrate them by comparing the trajectories of bodics that are released with different velocities from the same point a distance re from a point mass mE, where rE and me are respectively the Earth's radius and mass, and with the terrestrial observer's naïve expectations. Sketch, roughly to scale and on the same diagram, a) the orbits of bodies released with initial velocities, entirely perpendicular to the radius from the mass mg, of (i) 7,900 m s'. (ii) 5,590 m s' and (iii) 0 m s'. b) the body's trajectory if it appeared to the terrestrial observer to fall vertically under gravity and the Earth's rotational period were 2 hours.

1 Rotating frames The Coriolis and centrifugal accelerations describe the difference between the true motion of a body according to Newton's and Kepler's laws and the motion expected by a terrestrial observer unacquainted with the properties of rotating frames- or unaware that the Earth rotates. We may illustrate them by comparing the trajectories of bodics that are released with different velocities from the same point a distance re from a point mass mE, where rE and me are respectively the Earth's radius and mass, and with the terrestrial observer's naïve expectations. Sketch, roughly to scale and on the same diagram, a) the orbits of bodies released with initial velocities, entirely perpendicular to the radius from the mass mg, of (i) 7,900 m s'. (ii) 5,590 m s' and (iii) 0 m s'. b) the body's trajectory if it appeared to the terrestrial observer to fall vertically under gravity and the Earth's rotational period were 2 hours.

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Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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1 Rotating frames
The Coriolis and centrifugal accelerations describe the difference between the true motion of a body according to
Newton's and Kepler's laws and the motion expected by a terrestrial observer unacquainted with the properties of
rotating frames- or unaware that the Earth rotates. We may illustrate them by comparing the trajectories of bodies
that are released with different velocities from the same point a distance re from a point mass me, where rE and
me are respectively the Earth's radius and mass, and with the terrestrial observer's naïve expectations.
Sketch, roughly to scale and on the same diagram,
a) the orbits of bodies released with initial velocities, entirely perpendicular to the radius from the mass mg, of
(i) 7,900 m s', (ii) 5,590 m s' and (iii) 0 m s.
b) the body's trajectory if it appeared to the terrestrial observer to fall vertically under gravity and the Earth's
rotational period were 2 hours.

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