An aircraft is travelling at a constant speed of 180 m s' in a horizontal circle of radius 20 km. A plumbline, attached to the roof of the cabin, settles at an angle ø to the vertical while the aircraft is turning. (a) Find the centripetal acceleration of the aircraft. (b) Name the forces which act on the bob of the plumbline, and draw a labelled diagram to show the directions of these forces, and of their resultant. (c) Find the angle ø. (d) Show by means of a simple sketch of the cross-section of the aircraft how the plumbline is orientated with respect to the aircraft.
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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