Engineering Mechanics Online Exam-1

Engineering Mechanics Online Exam-1


Welcome to your Engineering Mechanics Online Exam


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1. A force while acting on a body may

2. In order to determine the effects of a force, acting on a body, we must know

3. The unit of force in S.I. system of units of

4. One kg force is equal to

5. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the
resolved part of their resultant in the same direction. This is known as

6. Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. If the line
of action of the resultant is 6 mm from any given force the two forces are

7. A smooth cylinder lying on its convex surface remains in

8. Three forces acting on a rigid body are represented in magnitude, direction and line of action by the
three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

9. The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

10. A couple produces

11. Which of the following statement is correct?

12. The point, through which the whole weight of the body acts, irrespective of its position, is known as

13. The term 'centroid' is

14. A smooth cylinder lying on a

15. Two forces are acting at an angle of 120? The bigger force is 40N and the resultant is perpendicular
to the smaller one. The smaller force is

16. A number of forces acting at a point will be in equilibrium, if

17. Concurrent forces are those forces whose lines of action

18. The forces, which meet at one point and their lines of action also lie on the same plane, are known as

19. The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in
opposite direction, is given by

20. The resultant of two equal forces P making an angle ? is given by

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