Two-Body Mechanics MCQ

Test your knowledge with important Two-Body Mechanics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Two-Body Mechanics MCQs at Bissoy

• What is the tangential velocity of a satellite moving in a circular orbit at a height of 5250 km above the surface of Earth? The standard gravitational parameter of Earth is 398,600 km3/s2. The radius of Earth is 6378 km.
  ক

  11.1 km/s

  খ

  6.01 km/s

  গ

  5.85 km/s

  ঘ

  7.91 km/s
• Kepler’s laws CANNOT be derived from Newton’s laws of motion and gravitation.
  ক

  True

  খ

  False
• Which of these is NOT an application of satellites in orbit?
  ক

  TV Broadcasting

  খ

  Weather Forecasting

  গ

  Global Positioning System

  ঘ

  Fixed Wireless
• The standard parameter of Earth is 398,600 km3/s2, distance between Earth and Mars is 225 x 106 km, force of gravitational attraction between Earth and Mars is 6.39 x 1023 N. What is the standard gravitational parameter of Mars? Given, universal gravitational constant is 6.67408 × 10-11 m3 kg-1 s-2.
  ক

  78,901 km3/s2

  খ

  12,890 km3/s2

  গ

  34,567 km3/s2

  ঘ

  42,647 km3/s2
• The mean distance from the Sun and Mercury is 0.39 AU. What is the mean distance from the Sun and Venus? The sidereal periods for Mercury and Venus are 0.24 hours and 0.62 hours respectively.
  ক

  2.91 x 108 km

  খ

  1.08 x 104 km

  গ

  1.08 x 108 km

  ঘ

  3.41 x 1011 km
• What is the resultant instantaneous acceleration of a rocket with a combined mass of 1.98 x 106 kg at that instant. Total thrust produced by the rocket is 31 x 106 N.
  ক

  4.2 m/s2

  খ

  5.85 m/s2

  গ

  7.1 m/s2

  ঘ

  3.25 m/s2
• What is the acceleration due to gravity at a height of 10 km from the surface of earth? The acceleration at the MSL is 9.81 m/s2 and the radius of earth is 6378 km.
  ক

  9.68 m/s2

  খ

  9.78 m/s2

  গ

  9.99 m/s2

  ঘ

  10 m/s2
• Earth revolves slower around the sun when it is farther from the sun compared to when it is closer from the sun.
  ক

  True

  খ

  False
• What is the force of attraction between earth and moon? Given, distance between earth and moon is equal to 384,400 km, standard gravitational parameter of earth is equal to 398,600 km3/s2 and mass of the moon is equal to 7.348 x 1022 kg.
  ক

  1.982 x 1017 N

  খ

  1.771 x 1026 N

  গ

  2.042 x 1012 N

  ঘ

  6.192 x 1017 N