A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation_________________?

Related Mcqs:

1. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one________________?

   A. ellipse
   B. hyperbola
   C. parabola
   D. circle
   E. none of the above

2. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________?

   A. 38 m
   B. 62.5 m
   C. 96 m
   D. 124 m
   E. 240 m

3. If a number of forces act simultaneously on a particle, it is possible_________________?

   A. not a replace them by a single force
   B. to replace them by a single force
   C. to replace them by a single force through C.G.
   D. to replace them by a couple
   E. to replace them by a couple and a force

4. A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________________?

   A. r/2
   B. r/A
   C. r/%
   D. 0.134 r
   E. 3r/8

5. Which of the following is not the unit of distance ?

   A. angstrom
   B. light year
   C. micron
   D. millimeter
   E. milestone

6. The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?

   A. h/2
   B. J/3
   C. h/6
   D. h/4
   E. 3/i/5

7. 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 as per the principle of__________________?

   A. forces
   B. independence of forces
   C. dependence of forces
   D. balance of force
   E. resolution of forces

8. The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to__________________?

   A. the algebraic sum of the resolved parts of the forces in the given direction
   B. the sum of the resolved parts of the forces in the given direction
   C. the difference of the forces multiplied by the cosine of 9
   D. the sum of the forces multiplied by the sine of 9
   E. the sum of the forces multiplied by the tangent of 9

9. D’ Alembert’s principle is used for___________________?

   A. reducing the problem of kinetics to equivalent statics problem
   B. determining stresses in the truss
   C. stability of floating bodies
   D. designing safe structures
   E. solving kinematic problems

10. The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of__________________?

    A. friction
    B. limiting friction
    C. repose
    D. kinematic friction
    E. static friction