A. linear displacement
B. rotational motion
C. tangential acceleration
D. centripetal acceleration
E. none of the above
A. two links
B. three links
C. four links or more than four links
D. all of the above
E. none of the above
A. along the angular velocity
B. opposite to angular velocity
C. may be any one of these
D. perpendicular to angular velocity
E. none of the above
A. closed pair
B. open pair
C. mechanical pair
D. rolling pair
E. none of the above
A. double helical gears having opposite teeth
B. double helical gears having identical teeth
C. single helical gear in which one of the teeth of helix angle a is more
D. mutter gears
E. none of the above
A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs
A. point or line contact between the two elements when in motion
B. surface contact between the two ele-ments when in motion
C. elements of pairs not held together mechanically
D. two elements that permit relative motion
E. none of the above