Precessional Angular Motion MCQ

Test your knowledge with important Precessional Angular Motion MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Precessional Angular Motion MCQs at Bissoy

• A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, then due to the centrifugal forces
  ক

  the reaction on the inner wheels increases and on the outer wheels decreases

  খ

  the reaction on the outer wheels increases and on the inner wheels decreases

  গ

  the reaction on the front wheels increases and on the rear wheels decreases

  ঘ

  the reaction on the rear wheels increases and on the front wheels decreases
• In an automobile, if the vehicle makes a left turn, the gyroscopic torque
  ক

  increases the forces on the outer wheels

  খ

  decreases the forces on the outer wheels

  গ

  does not affect the forces on the outer wheels

  ঘ

  none of the mentioned
• When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
  ক

  to move the ship towards port side

  খ

  to move the ship towards star-board

  গ

  to raise the bow and lower the stern

  ঘ

  to raise the stern and lower the bow
• The rotor of a ship rotates in clockwise direction when viewed from the stern and the ship takes a left turn. The effect of the gyroscopic couple acting on it will be
  ক

  to raise the bow and stern

  খ

  to lower the bow and stern

  গ

  to raise the bow and lower the stern

  ঘ

  to lower the bow and raise the stern
• The air screw of an aeroplane is rotating clockwise when looking from the front. If it makes a left turn, the gyroscopic effect will
  ক

  tend to depress the nose and raise the tail

  খ

  tend to raise the nose and depress the tail

  গ

  tilt the aeroplane

  ঘ

  none of the mentioned
• The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of the gyroscopic couple on the aeroplane will be
  ক

  to raise the nose and dip the tail

  খ

  to dip the nose and raise the tail

  গ

  to raise the nose and tail

  ঘ

  to dip the nose and tail
• A disc spinning on its axis at 20 rad/s will undergo precession when a torque 100 N-m is applied about an axis normal to it at an angular speed, if mass moment of inertia of the disc is the 1 kg-m2
  ক

  2 rad/s

  খ

  5 rad/s

  গ

  10 rad/s

  ঘ

  20 rad/s
• A disc is spinning with an angular velocity? rad/s about the axis of spin. The couple applied to the disc causing precession will be
  ক

  1/2Iω2

  খ

  Iω2

  গ

  1/2 Iω ωp

  ঘ

  Iω ωp