The instantaneous centre method of analysing the motion in a mechanism is based upon the concept that any displacement of a body having motion in one plane, can be considered as a pure rotational motion of a rigid link as a whole about some centre, known as an instantaneous centre. The number of instantaneous centres in a considered kinematic chain is equal to the number of combinations of two links:.
Start Learning English Hindi. This question was previously asked in. Start Now. Explanation: The instantaneous centre method of analysing the motion in a mechanism is based upon the concept that any displacement of a body having motion in one plane, can be considered as a pure rotational motion of a rigid link as a whole about some centre, known as an instantaneous centre.
Get Started for Free Download App. Consider the following statements regarding motions of various points of the same link of a mechanism: 1. The magnitude of the relative velocity of a point A with respect to a point B on a rotation of link is given by multiplication of angular velocity with distance between the points.
The direction of the relative velocity of a point A with a respect to a point B on a rotating link is perpendicular to AB. The resultant acceleration of a point A with respect to a point B of the same link is perpendicular to AB.
Which of these statements are correct? A rigid link PQ of length 1. This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA. Home current Explore. Words: Pages: 4. Kinematics and Dynamics of Machines 2. Instantaneous center is a point on a member which another member rotates around, permanently or instantaneously.
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