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. In the equation of virtual work, following force is neglected_______________________?

   A. reaction of any smooth surface with which the body is in contact
   B. reaction of a rough surface of a body which rolls on it without slipping
   C. reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
   D. all of the above
   E. none of the above

5. 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

6. Forces are called coplanar when all of them acting on body lie in __________________?

   A. one point
   B. one plane
   C. different planes
   D. perpendicular planes
   E. different points

7. Which of the following is not a vector quantity __________________?

   A. weight
   B. velocity
   C. acceleration
   D. force
   E. moment

8. According to law of triangle of forces __________________ ?

   A. three forces acting at a point will be in equilibrium
   B. three forces acting at a point can be represented by a triangle, each side being proportional to force
   C. if three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
   D. if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
   E. none of the above

9. The center of gravity of a triangle lies at the point of __________________?

   A. concurrence of the medians
   B. intersection of its altitudes
   C. intersection of bisector of angles
   D. intersection of diagonals
   E. all of the above

10. 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