Is there gravity in space? Justify.
[3 marks]Explain Newton’s law of gravitation in detail.
[4 marks]Define Space. Classify types of space vehicles.
[7 marks]Explain Mechanics of Circular Orbit.
[3 marks]State and Prove Kepler’s 3rd law.
[4 marks]With neat sketch explain different types of space trajectories.
[7 marks]Explain The Two body problem.
State and Prove Kepler’s 2nd law.
[3 marks]Explain Zero potential energy configurations.
[4 marks]Derive Orbit equation.
[7 marks]What is Escape Velocity? Calculate the same for an object escaping from the earth’s surface.
[3 marks]Write a note on Elliptic orbit.
[4 marks]With neat sketch explain The Hohmann transfer ellipse.
[7 marks]What is Attitude maneuvering?
[3 marks]Why the stability of Satellite is very important? Write methods for stability control of satellites.
[4 marks]What are the major sources of Attitude disturbance torques? Explain any one in detail.
[7 marks]Establish a relation between Impulse and change in momentum.
[3 marks]What do you mean by Dual spin satellite? Explain the functions of Rotor & Platform with labeled diagram.
[4 marks]Write a short note on Yo-Yo Mechanism.
[7 marks]What is (a) Re-entry corridor (b) Overshoot boundary & (c) Undershoot boundary?
[3 marks]How Re-entry is more important in (a) Ballistic missiles (b) Planetary entry probes & (c) Manned spacecraft.
[4 marks]Explain Motion of Re-entry objects using Motion Analysis Process (MAP).
[7 marks]How re-entry mission is designed? Explain using block diagram.
[3 marks]What are the functions of (a) Heat Shield & (b) Back Shell?
[4 marks]Compare a study between Sphere, Cone & Blunted cone. And prove using parameters like Deceleration, Heat rate, Accuracy why Blunted cone shape is preferable for Re-entry vehicle design.
[7 marks]