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________________?

Related Mcqs:

1. 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

2. 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_________________?

   A. 3t2-lt
   B. 3t2+2t
   C. 6f-8
   D. 6f-4
   E. 6t2-8t

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

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

4. 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

5. A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

   A. remain horizontal
   B. slant up towards direction of pull
   C. slant down towards direction of pull
   D. unpredictable
   E. none of the above

6. If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?

   A. P/2 cos 9/2
   B. IP sin 9/2
   C. 2P tan 9/2
   D. IP cos 9/2
   E. Psin 9/2

7. A framed structure is perfect if it contains members equal to________________?

   A. 2n-3
   B. n-l
   C. ‘2n-l
   D. n – 2
   E. 3n-2

   where n = number of joints in a frame

8. A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to______________?

   A. 25
   B. 50
   C. 100
   D. 250
   E. 500

9. The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to_________________?

   A. Wtan(a + )
   B. Wtan(a-)
   C. Wcos(a + )
   D. Wsin(a + )
   E. W (sin a + cos )

10. Tangent of angle of friction is equal to_________________?

    A. kinetic friction
    B. limiting friction
    C. angle of repose
    D. coefficient of friction
    E. friction force