Theory of Machines
Kinematics of Mechanisms
GATE 2008
Medium
A planar mechanism has 8 links and 10 rotary (lower pair) joints. The number of degrees of freedom of the mechanism, using Gruebler's criterion, is
- A0
- 1
- C2
- D3
Explanation
DOF = 3(n-1) - 2j1 - j2 = 3(8-1) - 2(10) - 0 = 21-20 = 1.
Source: GATE ME 2008 (2008)
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