Applied Mechanics MCQs | Page - 1

Dear candidates you will find MCQ questions of Applied Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

📊 Applied Mechanics
Q. An iron sphere of mass 30 kg and an aluminium sphere of mass 10 kg, both having the same diameter are dropped vertically from a cliff. When they are 10 metrs from the ground, they have identical
  • (A) Accelerations
  • (B) Momenta
  • (C) Kinetic energies
  • (D) Potential energies
💬 Discuss
✅ Correct Answer: (A) Accelerations
📊 Applied Mechanics
Q. A force F = 2i + 3j - k is passing through the origin. Its moment about point (1, 1, 0) is
  • (A) 107 dynes
  • (B) i + j + k
  • (C) 2i + 3j
  • (D) zero
💬 Discuss
✅ Correct Answer: (B) i + j + k
📊 Applied Mechanics
Q. A stone dropped from a baloon that was ascending at the rate of 30 ft/sec, reaches ground after 10 secs. The height of the baloon where stone was dropped was
  • (A) 3420 ft
  • (B) 107 dynes
  • (C) 4520 ft
  • (D) 1310 ft
💬 Discuss
✅ Correct Answer: (D) 1310 ft
📊 Applied Mechanics
Q. If three non-parallel forces hold a rigid body in equilibrium, they must
  • (A) be non-coneurrent
  • (B) be colinear
  • (C) 107 dynes
  • (D) be concurrent
💬 Discuss
✅ Correct Answer: (D) be concurrent
📊 Applied Mechanics
Q. The gravitational field at the surface of the moon is one sixth of that at the surface of the earth. A 72 kg man weighs on the surface of the moon
  • (A) 137.7 N
  • (B) 250
  • (C) 72 N
  • (D) 117.7 N
💬 Discuss
✅ Correct Answer: (D) 117.7 N
📊 Applied Mechanics
Q. Which of the following is scalar quantity
  • (A) Area of triangle
  • (B) Displacement of a particle
  • (C) Acceleration of car
  • (D) Force of friction
💬 Discuss
✅ Correct Answer: (A) Area of triangle
📊 Applied Mechanics
Q. If a solid sphere rolls on a horizontal surface, then the ratio of its rotational kinetic energy to its total kinetic energy is
  • (A) 1 ; 7
  • (B) 3 ; 7
  • (C) 107 dynes
  • (D) 2 ; 7
💬 Discuss
✅ Correct Answer: (D) 2 ; 7
📊 Applied Mechanics
Q. The limiting force of fiction is
  • (A) The friction force acting on a body when it is in motion
  • (B) The value of friction force which stops the movement of the body
  • (C) The value of friction force which cannot exceed under a situation
  • (D) The friction force acting when the body is just about to move
💬 Discuss
✅ Correct Answer: (D) The friction force acting when the body is just about to move
📊 Applied Mechanics
Q. A cylindrical bar 10 metres long elongates 0.1 mm under a load. The strain in the material of the bar will be
  • (A) 10--4
  • (B) 10--5
  • (C) 10--7
  • (D) All of the above
💬 Discuss
✅ Correct Answer: (B) 10--5
📊 Applied Mechanics
Q. Three forces A, B and C of magnitudes 8 N, 12 N and 20 N acting on a particle are in equilibrim. It can be concluded that
  • (A) 107 dynes
  • (B) B and C act in opposite directions
  • (C) one of the forces in non-coplaner
  • (D) A and B act at 90?
💬 Discuss
✅ Correct Answer: (B) B and C act in opposite directions

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