Collision and Friction MCQ

Test your knowledge with important Collision and Friction MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Collision and Friction MCQs on Bissoy. Bissoy App

• A ball is thrown vertically upwards with a velocity of 20m/s. At what height, will its kinetic energy be half its original value?
  ক

  10.20m

  খ

  10m

  গ

  15m

  ঘ

  5m
• How high must the body be lifted to gain an amount of potential energy equal to the kinetic energy it has when moving at a speed of 20m/s? g=9.8m/s2
  ক

  20m

  খ

  20.0m

  গ

  202m

  ঘ

  22m
• Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10cm. Take g = 9.8m/s2
  ক

  5m/s

  খ

  1.5m/s

  গ

  14m/s

  ঘ

  1.4m/s
• What energy does a stretched bow posses?
  ক

  Kinetic energy

  খ

  Gravitational energy

  গ

  Elastic potential energy

  ঘ

  Potential energy
• The kinetic energy is water is used to run turbines.
  ক

  True

  খ

  False
• Potential energy is also called mutual energy.
  ক

  True

  খ

  False
• A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the kinetic energy of the bullet if it moves with constant speed.
  ক

  2.5J

  খ

  5J

  গ

  0.562J

  ঘ

  2J
• The momentum of a body of mass 5kg is 500kgm/s. Find its kinetic energy?
  ক

  2×105 J

  খ

  2.5×104 J

  গ

  2.5×105 J

  ঘ

  2.5J
• When force and displacement are in the same direction, the kinetic energy of the body ___________
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  Becomes zero