The weight of a body is due to____________________?

Related Mcqs:

1. A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to___________________?

   A. W
   B. W sin (a + $)
   C. Wtan(a + <|))
   D. Wan(a-)
   E. Wtana

2. 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

3. Effect of a force on a body depends upon________________?

   A. magnitude
   B. direction
   C. position or line of action
   D. all of the above
   E. none of the above

4. A force acting on a body may_______________?

   A. introduce internal stresses
   B. balance the other forces acting on it
   C. retard its motion
   D. change its motion
   E. all of the above

5. According to principle of transmissibility of forces, the effect of a force upon a body is_______________?

   A. maximum when it acts at the center of gravity of a body
   B. different at different points in its line of action
   C. the same at every point in its line of action
   D. minimum when it acts at the C.G. of the body
   E. none of the above

6. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________________?

   A. along the plane
   B. horizontally
   C. vertically
   D. at an angle equal to the angle of friction to the inclined plane
   E. unpredictable

7. If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either__________________?

   A. meet in a point
   B. be all parallel
   C. at least two of them must meet
   D. all the above are correct
   E. none of the above

8. 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

9. 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

10. If a rigid body is in equilibrium under the action of three forces, then_______________?

    A. these forces are equal
    B. the lines of action of these forces meet in a point
    C. the lines of action of these forces are parallel
    D. B. and C. above
    E. none of the above