The positions of two blocks at successive 0.20-second time intervals are represented by the numbered squares in the figure below. The blocks are moving toward the right. Block a Block b 1 2 3 IM 3 The accelerations of the blocks are related as follows: 5 6 5 O The acceleration of "a" is greater than the acceleration of "b". O The acceleration of "b" is greater than the acceleration of "a". O Not enough information is given to answer the question. O The acceleration of "a" equals the acceleration of "b". Both accelerations are zero. The acceleration of "a" equals the acceleration of "b". Both accelerations are greater than zero. 7
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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