When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?

Related Mcqs:

1. A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

   A. n rpm B. n/2 rpm C. n/4 rpm D. 2n rpm...

2. A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec, . The work required to stop the hoop is______________?

   A. 2 J B. 4 J C. 6 J D. 8 J...

3. A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is_______________?

   A. (1/3) g sin0 B. (2/5) g sin 0 C. (3/7) g sin 0 D. (5/7) g sin0 where g is acceleration due to gravity...

4. A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?

   A. 50 J B. 150 J C. 200 J D. 400 J...

5. A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The acceleration of center of mass of rolling cylinder is________________?

   A. (1/3) g sinB B. (2/3) g cos 9 C. (2/3) g sin 0 D. g sin 9 where ‘g’ is acceleration due to gravity and 0 is inclination of plane with horizontal...

6. The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________?

   A. log r B. r C. r2 D. 1/r where r is the distance of’the particle from centre of the earth...

7. A particle moves in a straight line and its position is defined by the equation x = 6 t2 – t3 where t is expressed in seconds and x in meters. The maximum velocity during the motion is_________________?

   A. 6 m/sec B. 12 m/sec C. 24 m/sec D. 48 m/sec...

8. A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?

   A. never meet B. meet after 1 sec C. meet after 5 sec D. meet after 10 sec...

9. When a body slides down an inclined surface, the acceleration of the body is given by__________________?

   A. g B. gsinG C. g cos 6 D. g tan 6 where ‘g’ is acceleration due to gravity and 9 is the angle of inclination of surface with the horizontal...

10. A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?

    A. 4 B. 6 7i C. 8TC D. 8...