# Civil Engineering - Applied Mechanics

1.
The centre of gravity of a triangle is at the point where three
medians of the triangle meet
perpendicular bisectors of the sides of the triangle meet
bisectors of the angle of the triangle meet
none of these.
Explanation:
No answer description is available. Let's discuss.

2.
The forces which meet at one point and have their lines of action in different planes are called
coplaner non-concurrent forces
non-coplaner concurrent forces
non-coplaner non-current forces
intersecting forces
none of these.
Explanation:
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3.
At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is
7 km/hrs
2 km/hrs
1 km/hrs
10 km/hrs
14 km/hrs.
Explanation:
No answer description is available. Let's discuss.

4.
The equation of motion of a particle starting from rest along a straight line is x = t3 - 3t2 + 5. The ratio of the accelerations after 5 sec and 3 sec will be
2
3
4
5