A. leads the sliding velocity vector by 90°
B. lags the sliding velocity vector by 90°
C. is along the sliding velocity vector
D. leads the sliding velocity vector by 180°
E. none of the above
Related Mcqs:
- The direction of Corioli’s component of acceleration is the direction _____________________?
A. of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link
B. along the centripetal acceleration
C. along tangential acceleration
D. along perpendicular to angular velocity
E. none of the above. - Corioli’s component is encountered in_________________?
A. quick return mechanism of shaper
B. four bar chain mechanism
C. slider crank mechanism
D. A. and C. above
E. all of the above. - Corioli’s component acts________________?
A. perpendicular to sliding surfaces
B. along sliding surfaces
C. somewhere in between above two
D. unpredictable
E. none of the above - In a shaper mechanism, the Corioli’s component of acceleration will_______________?
A. not exist
B. exist
C. depend on position of crank
D. unpredictable
E. none of the above - Corioli’s component of acceleration exists whenever a point moves along a path that has________________?
A. linear displacement
B. rotational motion
C. tangential acceleration
D. centripetal acceleration
E. none of the above - Sense of tangential acceleration of a link_________________?
A. is same as that of velocity
B. is opposite to that of velocity
C. could be either same or opposite to velocity
D. is perpendicular to that of velocity
E. none of the above - A circular bar moving in a round hole is an example of_______________?
A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above - A mechanism is an assemblage of ____________________?
A. two links
B. three links
C. four links or more than four links
D. all of the above
E. none of the above - The locus of a point on a thread unwound from a cylinder will be___________________?
A. a straight line
B. a circle
C. involute
D. cycloidal
E. helix - Inertia force acts___________________?
A. perpendicular to the accel< force
B. along the direction of accel* force
C. opposite to the direction of ace ing force
D. in any direction w.r.t. accel* force depending on the magnit two
E. none of the above
