Explain translational motion by the given illustration.
(N/A) rectangular block is shown sliding down an inclined plane $AB$ at an angle $\theta$ without any sidewise movement.
In this motion,the block moves down the plane such that all particles of the body (e.g.,$P_1$ and $P_2$) move together. This means that at any instant of time,every particle of the rigid body has the same velocity vector.
Such motion of a rigid body is defined as pure translational motion.
Therefore,in pure translational motion,at any instant of time,all particles of the body possess the same velocity.
In this motion,the block moves down the plane such that all particles of the body (e.g.,$P_1$ and $P_2$) move together. This means that at any instant of time,every particle of the rigid body has the same velocity vector.
Such motion of a rigid body is defined as pure translational motion.
Therefore,in pure translational motion,at any instant of time,all particles of the body possess the same velocity.
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