Torque acting on a body determines_______________?

Related Mcqs:

1. Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?

   A. Concurrent
   B. Non-concurrent
   C. Parallel
   D. Non-parallel

2. Torque is defined as______________?

   A. Turning effect of force
   B. Cross product of position vector and force
   C. Product of force and moment arm
   D. All A, B and C are correct

3. The dimension of torque is______________?

   A. [ML2T-2]
   B. [MLT-2]
   C. [ML2T]
   D. [ML-2T-2]

4. SI unit of torque is______________?

   A. N.m
   B. joule
   C. Both a and b are correct
   D. Neither a nor b is correct

5. Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?

   A. BINA cosa
   B. BINA sina
   C. BINA tana
   D. BINA

6. If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

   A. τ = NIAB cosφ
   B. τ = NIAB sinφ
   C. τ = NIAB tanφ
   D. τ = NIAB

7. When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

   A. zero
   B. minimum
   C. infinity
   D. maximum

8. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0
   B. Maximum
   C. Variable
   D. Infinite

9. The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?

   A. 10 cm
   B. 5 cm
   C. 15 cm
   D. 7.5 cm

10. The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?

    A. magnitude
    B. direction 
    C. both
    D. None of these

    Submitted by: Bareera Mahmood