MEE 203 CBT PRACTICE TEST

1. Kinetic friction may be defined as

2. The Law of Polygon of Forces states that

3. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

4. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

5. A retarding force on a body does not.

6. Two forces act an angle of 120?. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

7. The resolved part of the resultant of two forces inclined at an angle 0 in a given direction is

8. The resultant of two forces P and Q acting at an angle 0, is

9. The necessary condition of equilibrium of a body, is :

10. If the resultant of two forces P and Q acting at an angle 0 makes an angle a with P, then tan a equals P sin 0 Q sin 0

11. The C.G. of a right circular cone lies on its axis of symmetry at a height of
A.
B.
C.
D.

12. The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

13. If two forces.P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

14. The resultant of two forces acting at right angles is A/34 kg and acting at 60? is 70 kg. The forces are

15. A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

16. A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60? with horizontal, is

17. Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

18. If two equal forces of magnitude P act at an angle 0, their resultant, will be
.

19. Lami's theroem states that

20. A number of forces acting simultaneously on a particle of a body

21. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is

22. According to Law of Triangle of Forces

23. From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

24. Effect of a force on a body depends upon its

25. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

26. The centre of gravity of a homogenous body is the point at which the whole

27. The force acting on a point on the surface of a rigid body may be considered to act.

28. A smooth cylinder lying on its convex surface remains

29. The following is not a law of static friction :

30. Varigon's theorem of moments states

31. A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

32. The units of moment of inertia of an area, are

33. If a body is acted upon by a number of coplaner non-concurrent forces, it may

34. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

35. Pick up the incorrect statement from the following :

36. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

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

38. If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is

39. The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is

40. Moment of interia of a squares of side b about an axis through its centre of gravity, is