1. A horizontal force 40 kgf is applied on a body of weight 120 kg placed in a horizontal plane. If the body is just in the point of motion, the angle of friction be:

2. The specific weight of water in S.I. units is :

3. The velocity of a moving body is -

4. Unit of force is:

5. One Newton is equivalent to :

6. A quantity having both magnitude and direction is:

7. The moment of a force about any point is---------times the rate of a triangle whose base represents the FORCE and vertex opposite to base represents the MOMENT CENTRE.

8. If the resultant of two forces has the same magnitude as either of the forces, then the angle between the forces is :

9. Which of the following is a scalar quantity ?

10. The forces whose line of action lie on the same line are known as-----

11. A block of weight 20 kN just begins to move along a horizontal surface on application of 5 kN horizontal force. The coefficient of friction between block and surface is:

12. If the sum of all forces acting on a body is zero, then the body may be in equilibrium provided the forces are :

13. Unit of force in SI unit is

14. Concurrent force system means_______

15. Magnitude of equilibrant of two forces F1 and F2 acting normally to each other is 50 kN. If magnitude of force Fi is 40 kN, then magnitude of force F2 will be

16. A body of mass 20 kg moves over smooth plane w hose equation of motion is S = 10t+t2

17. In uniform circular motion which of the following happens? (I) There is change in magnitude of velocity (II) There is change in direction of velocity

18. Free body diagram represents______

19. Force acting on a particle moving along a circular path at a constant speed is

20. Two forces act at an angle of 120 degree. The bigger force is 60 N and the resultant is perpendicular to smaller force "F". What is value of F?

21. Impulse has the same unit as--------- .

22. In Free body diagram is an

23. A The force which produces an acceleration of lm/sec2 in a mass of one

24. If ’s’ is the distance transversed by a particle within time ’t’. its acceleration is-

25. In case of forces, a couple means

26. Which of the following is a scalar quantity?

27. A car of mass 10,000 kg is moving with a velocity of 25m/s over a circular horizontal curve of radius 80 m. What is the centrifugal force acting on the car?

28. A body was falling freely under gravity at velocity 25m/s. What force is required to stop the body in 2 seconds, if mass of the body is 20kg?

29. A block weighs 100 kg. If the co-efficient of friction between it and ground is 0.3. Find the force required to move the block:

30. The rotational tendency of a force is called:

31. In a co-planner force system, if the sum of all horizontal components of system is equal to zero, the resultant will:

32. The product of mass and velocity of a body is called

33. An In a problem the algebraic sum of all horizontal (ZH) is 16 N and the algebraic sum of all vertical force (ZV) is 32 N. The resultant force is:

34. The unit of Acceleration is

35. The algebraic sum of the moments taken about any point in the plane of forces is zero is known as:

36. The Lami’s theorem is applicable only for :

37. Angles between two forces to make their resultant minimum and maximum are respectively :

38. If lines of action of forces in a system of force meet at a point then these forces are called as:

39. The analytical method for addition of more than three vectors :

40. What is the statement of triangle law known as?

41. Varignon’s theorem of moments states that:

42. Which of the following is fundamental quantity?

43. When the forces in a force system lie in the same plane and have the same line of action, then the force system is called:

44. Force polygon representing a set of forces in equilibrium is a :

45. If a number of forces are acting simultaneously on a particle, then the resultant of these force will have the same effect as that of the applied forces. This principle is called :

46. Concurrent forces are those forces whose line of action

47. In SI unit, unit of force and energy are respectively :

48. The base unit of length in S.I. System:

49. A couple produces

50. A block of 50 kg mass is pushed up on an inclined plane by a force of 100 N acting parallel to the inclined force as shown in the figure. The magnitude of the frictional force for static condition will be