Lakshya Education MCQs

Question: The units of moment of inertia of an area are
Options:
A. kg/m
B. kg/m2
C. m4
D. m3
Answer: Option C

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. the ball rebounds at the same angle. the fraction of its kinetic energy lost is
  1.     1/3
  2.     2/3
  3.     1/9
  4.     8/9
Answer: Option D
Question 2. For a self-locking machine, the efficiency should be
  1.     Less than 60%
  2.     50%
  3.     More than 50%
  4.     None of these
Answer: Option A
Question 3. A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 n at 2 m from its axis, for 3 seconds. the increase in angular velocity in radian per second is
  1.     1/2
  2.     3/2
  3.     2
  4.     3
Answer: Option B
Question 4. The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is
  1.     188.5 m/sec
  2.     18.85 m/sec
  3.     1.885 m/sec
  4.     0.18845 m/sec
Answer: Option C
Question 5. The units of moment of inertia of an area are
  1.     kg/m
  2.     kg/m2
  3.     m4
  4.     m3
Answer: Option C
Question 6. A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. the ball rebounds at the same angle. the fraction of its kinetic energy lost is
  1.     1/3
  2.     2/3
  3.     1/9
  4.     8/9
Answer: Option D

Check all Questions in this Topic : Click HERE