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.
A helicopter is ascending vertically with a speed of 5.24 m/s . At a height of 120 m above the Earth, a package is dropped from the helicopter.
How much time does it take for the package to reach the ground? [Hint: What is v0 for the package?]
The position of a rabbit along a straight tunnel as a function of time is plotted in the figure.
What is its instantaneous velocity at t=10.0s?
What is its instantaneous velocity at t=30.0s?
The coefficient of static friction between hard rubber and normal street pavement is about 0.86.
On how steep a hill (maximum angle) can you leave a car parked?
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