In S.H.M., the velocity vector w.r.t. displacement vector _________________?
A. leads by 90°
B. lags by 90°
C. leads by 180°
D. are in phase
E. could be anywhere.
A. leads by 90°
B. lags by 90°
C. leads by 180°
D. are in phase
E. could be anywhere.
A. theory of machines
B. applied mechanics
C. mechanisms
D. kinetics
E. kinematics
A. during which the follower returns to its initial position
B. of rotation of the cam for a definite displacement of the follower
C. through which, the cam rotates during the period in which the follower remains in the highest position
D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
E. moved by the can from beginning of i ascent to the termination of descent
A. parallel to OA
B. perpendicular to OA
C. at 45° to OA
D. along AO
E. along OA
A. ball bearing
B. roller bearing
C. needle roller bearing
D. thrust bearing
E. sleeve bearing
A. 1
B. 2
C. 3
D. 4
E. none
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 mo-tion
E. none of the above