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

2. 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

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

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

5. One Newton is equivalent to :

6. Varignon’s theorem of moments states that:

7. 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?

8. 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:

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

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

11. 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

12. 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.

13. A couple produces

14. Unit of force in SI unit is

15. 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 :

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

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

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

19. Which of the following is a scalar quantity?

20. 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:

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

22. 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?

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

24. Unit of force is:

25. Which of the following is fundamental quantity?

26. 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:

27. The velocity of a moving body is -

28. 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:

29. 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:

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

31. Which of the following is a scalar quantity ?

32. 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?

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

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

35. In Free body diagram is an

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

37. In case of forces, a couple means

38. 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

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

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

41. Free body diagram represents______

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

43. A quantity having both magnitude and direction is:

44. The unit of Acceleration is

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

46. The rotational tendency of a force is called:

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

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

49. Concurrent force system means_______

50. Concurrent forces are those forces whose line of action