When this wheel is moving around the axis it passes through its centre normally and the entire rigid body and its constituent particles keep rotating along its axis (Kim et al. The rigid body that is in rotational motion travels around an axis and the axis is determined as the axis of rotation.įigure 2: Rotational motion of Rigid Bodyįrom the above figure, it can be seen the rotational motion of a wheel is passing around its axis through the centre. If a rigid body travels along the circular or curved plane then its centre of mass will remain in motion and the rigid body will be in rotational motion. What is the rotational motion of a rigid body? 2019).īut here as the box is falling (down) freely then the distance between 2 constituent particles in the body is always fixed and the motion of each rigid body will remain the same to the motional of the entire body translational motion. In the right figure, the box is being pushed down and it is travelling along the inclined plane and also has translational motion (Cruz et al. In the above-left figure, it can be seen that when on a box an external force is exerted it starts moving along the linear path or the straight line and have a translational motion. The translational motion has -1 dimensional motion.įigure 1: Transitional motion of Rigid Body If a rigid body is found travelling along a straight line or even along a linear path then it can be determined as in its translational motion. There are two major types of the motions of the rigid body the rotational motion and the translational motion. What is the translational motion of the rigid body? If a rigid body is found in pure rotational motion then it will rotate around an axis that is fixed and perpendicular to a fixed plane. 2018).Įven if the rigid body has various mad molecules and atoms they will remain in the uniform motion state. This can also be explained as when the distance between 2 provided points of the rigid body remains in the constant state in time interval even if an external force is exerted on that body (Schmelzbach et al. In the case of the rigid body there is no deformation is found and is determined as the constant distribution of mass. All bodies get deformed when they are in motion (springer, 2019). It can also be described as particles collection with the property where the distance between particles is unchanged at the time of course of motions of the body. The rigid body is demonstrated as the idealization of a body that does not change its shape or does not deform. What do you understand by a rigid body and its rotation and motion? In the case of the transitional motion the body will travel with same displacement in an equal time interval and in other cases that as rotational motion the body will travel with the same angular displacement in an equal time interval. The rigid body when travelling with these types of motions is travelling with displacement in an equal time interval. The rigid body basically has 2 different types of motions that are translational motion and rotational motion. It is also determined as the body that has continuous mass distribution. The rigid body is considered as translational zero or negligible deformation.
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