Physics Test Preparations On Applied Mechanics Part 1

Test Preparation on Physics Test Preparations On Applied Mechanics Part 1

1.

The center of gravity of a triangle is at the point where three

1medians of the triangle meet
2perpendicular bisectors of the sides of the triangle meet
3bisectors of the angle of the triangle meet
4none of these.

2.

The forces which meet at one point and have their lines of action in different planes are called

1coplaner non-concurrent forces
2non-coplaner concurrent forces
3non-coplaner non-current forces
4intersecting forces

3.

At a given instant ship A is traveling at 6 km/h due east and ship B is traveling at 8 km/h due north. The velocity of B relative to A is

17 km/hrs
21 km/hrs
310 km/hrs
414 km/hrs

4.

The locus of the instantaneous center of a moving rigid body is

1straight line
2involute
3centroid
4spiral

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