A. newton meter
B. watt
C. joule
D. kilogram meter/sec
E. pascal per sec
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Forces are called coplanar when all of them acting on body lie in________________?
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Effect of a force on a body depends upon________________?
A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points
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A force is completely defined when we specify________________?
A. magnitude
B. direction
C. position or line of action
D. all of the above
E. none of the above
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The unit of force in S.I. units is_________________?
A. magnitude
B. direction
C. point of application
D. all of the above
E. none of the above
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Forces are called concurrent when their lines of action meet in_______________?
A. kilogram
B. newton
C. watt
D. dyne
E. joule
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A force acting on a body may_______________?
A. one point
B. two points
C. plane
D. perpendicular planes
E. different planes
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If a number of forces act simultaneously on a particle, it is possible_________________?
A. introduce internal stresses
B. balance the other forces acting on it
C. retard its motion
D. change its motion
E. all of the above
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If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?
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
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Which of the following do not have identical dimensions ?
A. P/2 cos 9/2
B. IP sin 9/2
C. 2P tan 9/2
D. IP cos 9/2
E. Psin 9/2