301. The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is
[A].
[B].
[C].
[D].
✅ The correct answer is option B.
Engineering Mechanics MCQs
302. The angle between two forces when the resultant is maximum and minimum respectively are
[A]. 0° and 180°
[B]. 180° and 0°
[C]. 90° and 180°
[D]. 90° and 0°
✅ The correct answer is option A.
303. Work done is said to be zero, when
[A]. some force acts on a body, but displacement is zero
[B]. no force acts on a body but some displacement takes place
[C]. either (a) or (b)
[D]. none of the above
✅ The correct answer is option C.
304. Mass moment of inertia of a uni form thin rod of mass M and length (l) about its mid-point and perpendicular to its length is
[A].
[B].
[C].
[D].
✅ The correct answer is option D.
305. Static friction is always __________ dynamic friction.
[A]. equal to
[B]. less than
[C]. greater than
null
✅ The correct answer is option C.
306. The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in magnitude and direction by the third side of a triangle, taken in opposite order.
[A]. True
[B]. False
null
null
✅ The correct answer is option A.
307. The path of the projectile is a parabola.
[A]. True
[B]. False
null
null
✅ The correct answer is option A.