INTERNET RESEARCH ACTIVITY #2
PRACTICAL ROCKETRY
To find the answers to the following questions, you will need to use the internet to log onto a website produced by the USA National Aeronautical Space Administration Centre (NASA). Click on the following hyperlink or key in the following address to take you to the NASA site on model rocketry:
http://spacelink.nasa.gov/Instructional.Materials/Curriculum.Support/Mathematics/Rockets/.index.htmlOpen the Adobe Acrobat file 05 Practical Rocketry pdf and then read and scroll through the pages to find the answers to the following questions.
QUESTION 1 What are the two parts making up the propellant of a rocket?
QUESTION 2 Neatly draw a "Solid Propellant Rocket" and label the parts.
QUESTION 3 Why are fuse type igniters more dangerous than electrical igniters?
QUESTION 4 Neatly draw a "Liquid Propellant Rocket" and label the parts.
QUESTION 5 Why do liquid fuel rockets require a hydrogen cooling system?
QUESTION 6 What is meant by the term "payload"?
QUESTION 7 Why is the length and direction of thrust critical in space flights?
QUESTION 8 How is the length of thrust controlled in solid and liquid propellant rockets?
QUESTION 9 What is a stable rocket?
QUESTION 10 Sketch a rocket, draw in and name the three axes of roll, pitch and yaw. Indicate the centre of mass.
QUESTION 11 Unstable motions about which axes cause the rocket to leave its planned course?
QUESTION 12 What is the "centre of pressure" and where must it be located in a rocket?
QUESTION 13 What is the function of the "fins" on a rocket?