Motion and Mechanics MCQ

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

• A driver takes 0.20 s to apply the brakes after he sees a need for it. This is called the reaction time of the driver. If he is driving at a speed of 54km/h and the brakes cause a deceleration of 6.0m/s2, find the distance travelled by the car after he sees the need to put the brakes.
  ক

  18.75m

  খ

  225 m

  গ

  21.5 m

  ঘ

  12 m
• A jet plane starts from rest with an acceleration of 3m/s2 and makes a run for 35s before taking off. What is the minimum length of the runway?
  ক

  105 m

  খ

  1837.5 m

  গ

  2451 m

  ঘ

  1204 m
• What is the acceleration of a bus approaching a bus stop?
  ক

  Uniform acceleration

  খ

  Instantaneous acceleration

  গ

  Average acceleration

  ঘ

  Negative acceleration
• On a 60km track travels the first 30km with a uniform speed of 30km/h. How fast must the train travel the next 30km so as to average 40km.h for the entire trip?
  ক

  60km.h

  খ

  90km/h

  গ

  120km/h

  ঘ

  30km/h
• A body travels from A to B at 40m/s and from B to A at 60m/s. Calculate the average speed.
  ক

  0

  খ

  48m/s

  গ

  240m/s

  ঘ

  3.5m/s
• Displacement is a scalar quantity.
  ক

  True

  খ

  False
• Which of the following can be regarded as an example for three dimensional motions?
  ক

  Motion of planets around the sun

  খ

  Motion of a train along a straight track

  গ

  Motion of a free falling body

  ঘ

  A kite flying on a windy day
• A car is moving along a zigzag path on a level road. This is an example for which of the following?
  ক

  Point object

  খ

  Two dimensional motion

  গ

  Three dimensional motion

  ঘ

  One dimensional motion
• A train is under a journey of several hundred kilometers. How can it be regarded?
  ক

  An object in motion

  খ

  An object under rest

  গ

  An object under absolute motion

  ঘ

  A point object
• Rest and motion are relative terms.
  ক

  True

  খ

  False