The unit of work or energy in S.I. units is_______________?
The unit of work or energy in S.I. units is_______________?
A. newton
B. pascal
C. kilogram meter
D. watt
E. joule
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The cartesian equation of trajectory is(where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)
Question: The cartesian equation of trajectory is(where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)
[A].[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Frequency of vibrations means the number of cycles per second.
Question: Frequency of vibrations means the number of cycles per second.
[A].Yes [B].
No Answer: Option A
Explanation:
No answer description available for this question.
The algebraic sum of moments of the forces forming couple about any point in their plane is_________________?
The algebraic sum of moments of the forces forming couple about any point in their plane is_________________?A. equal to the moment of the couple
B. constant
C. both of above are correct
D. both of above are wrong
E. none of the aboveIf the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
Question: If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
[A].30° [B].
60° [C].
90° [D].
120° Answer: Option D
Explanation:
No answer description available for this question.
All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.
Question: All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.
[A].True [B].
False Answer: Option A
Explanation:
No answer description available for this question.
If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?
If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?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