D’ Alembert’s principle is used for___________________?
A. reducing the problem of kinetics to equivalent statics problem
B. determining stresses in the truss
C. stability of floating bodies
D. designing safe structures
E. solving kinematic problems
The unit of power in S.I. units is______________?
A. newton meter
B. watt
C. joule
D. kilogram meter/sec
E. pascal per sec
Forces are called coplanar when all of them acting on body lie in________________?
A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points
Effect of a force on a body depends upon________________?
A. magnitude
B. direction
C. position or line of action
D. all of the above
E. none of the above
A force is completely defined when we specify________________?
A. magnitude
B. direction
C. point of application
D. all of the above
E. none of the above