The magnitude of velocities of the points on a rigid link is
A. Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center
B. Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center
C. Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center
D. Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center
Answer: Option D
This Question Belongs to Mechanical Engineering >> Theory Of Machine
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Comments ( 3 )
In considering friction of a V-thread, the virtual coefficient of friction (μ1) is given by
A. μ1 = μsinβ
B. μ1 = μcosβ
C. $${\mu _1} = \frac{\mu }{{\sin \beta }}$$
D. $${\mu _1} = \frac{\mu }{{\cos \beta }}$$
The lower pairs are _________ pairs.
A. Self-closed
B. Force-closed
C. Friction closed
D. None of these
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A. Sliding
B. Turning
C. Rolling
D. Screw
A kinematic chain is known as a mechanism when
A. None of the links is fixed
B. One of the links is fixed
C. Two of the links are fixed
D. None of these
Linear velocity V = r w so directly proportional to distance from instatenous centre and perpendicular So option B is right.
Yes, The correct option is B.
B is the right answer ...see in khurmi of TOM formulas