If a number of forces act simultaneously on a particle, it is possible_________________?
A. not a replace them by a single force
B. to replace them by a single force
C. to replace them by a single force through C.G.
D. to replace them by a couple
E. to replace them by a couple and a force
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