Question

What is significance of degrees of freedom of a kinematic chain when it functions as a mechanism? Give Examples.

Answer 1

Degrees of Freedom of members and joints of mechanisms govern the working of a machine. Each member of mechanism can move in certain directions or rotate about certain axes and is not allowed to move or rotate in other directions. Degrees of Freedom determine the possible movements of mechanisms.

Kinematic Definition
Degrees of freedom (DoF) is related to the motion possibilities of rigid bodies. Kinematic definition for DoF of any system or its components would be “the number of independent variables or coordinates required to ascertain the position of the system or its components".

The concept of DoF in kinematics of machines is used in three ways. DoF of

1. A body relative to a reference frame.

2. A kinematic joint.

3. A mechanism

Answer 2

Answer:

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