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. 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

4. 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

5. 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

6. 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

7. 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

8. 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 ).

9. Two non-collinear parallel equal forces acting in opposite direction__________________?

   A. balance each other
   B. constitute a moment
   C. constitute a couple
   D. constitute a moment of couple
   E. constitute a resultant couple

10. Two coplanar couples having equal and opposite moments_________________?

    A. balance each other
    B. produce a couple and an unbalanced force
    C. are equivalent
    D. produce a moment of couple
    E. can not balance each other