The torque produced by a force depends on__________________?

Related Mcqs:

1. Coefficient of friction depends on__________________?

   A. nature of surfaces only
   B. area of contact only
   C. both (A) and (B)
   D. none of the above

2. The time period of a simple pendulum depends on__________________?

   1) mass of suspended particle
   2) length of the pendulum
   3) acceleration due to gravity
   The correct answer is

   A. only (1)
   B. both (2) and (3)
   C. both (1) and (3)
   D. all are correct

3. A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?

   A. 60 N
   B. 80 N
   C. 100 N
   D. 120 N

4. A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is_____________________?

   A. 1
   B. e2*
   C. e4*
   D. e*72

5. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?

   A. be in equilibrium
   B. always reduce to a resultant force
   C. always reduce to a couple
   D. both (A) and (C)

6. Force polygon method is applicable for_____________________?

   A. any copianar force system
   B. a system of parallel forces only
   C. concurrent copianar force system
   D. non-concurrent copianar force system

7. The force polygon representing a set of forces in equilibrium is a_____________________?

   A. triangle
   B. open polygon
   C. closed polygon
   D. parallelogram

8. For a non-concurrent force system to be in equilibrium__________________?

   A. only the closure of force polygon is sufficient
   B. only the closure of funicular polygon is sufficient
   C. both force polygon and funicular polygon must close
   D. none of the above

9. The dimensions of centrifugal force are__________________?

   A. M1 L2 T2
   B. M’L’T1
   C. M’L’T2
   D. M’L-‘T2

10. If y is force and x is velocity, then dimensions of —=r are dx2__________________?

    A. M’^T’
    B. M’L-‘T0
    C. M’L-‘T1
    D. M2L’T3