SSC JE Mechanical Engineering 2018 Set 4 Paper

Question : 101 of 200

Marks: +1, -0

MECHANICAL

The number of joints (j) which constitutes a kinematic chain can be expressed in terms of number of links (l) as ________.

$j=3/4\l-2$
$j=3/4\l+2$
$j=3/2\l-2$
$j= \l-2/3$

Validate

Solution:

The number of joints (j) which constitutes a kinematic chain can be expressed in terms of no of links (l)

j=3/2\l-2

a kinematic chain is an assembly of rigid bodies connected by joints to provide constrained (or desired) motion that is the mathematical model for a mechanical system.

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