Assignment 1: pgs. 3-4

Question 1

The ECI and ECEF reference frames utilize what as their fundamental plane?

Answer 1

Equatorial Plane

Question 2

Which reference frame uses a satellite as its origin?

Answer 2

RIC (Radial In-track Cross-track)

Question 3

Which of Newton’s Laws state - To every action there is always an opposed and equal reaction?

Answer 3

Newton’s 3rd Law

Question 4

Which of Newton’s Laws state - An object either remains at rest or continues to move at a constant velocity, unless acted upon by an external force?

Answer 4

Newton’s 1st Law

Question 5

Which of Newton’s Laws state - Any two bodies attract one another with a force proportional to the product of their masses and inversely proportional to the square of the distance between them?

Answer 5

Newton’s Law of Universal Gravitation

Question 6

Which of Newton’s Laws state - The rate of change in momentum is proportional to the force impressed and is in the same direction as that force?

Answer 6

Newton’s 2nd Law

Question 7

Which of Kepler’s Laws state - The orbiting body must be moving faster when it is closer and slower when it is farther away? (line segments)

Answer 7

Kepler’s 2nd Law

Question 8

Which of Kepler’s Laws state - The planets orbit the sun in elliptical orbits, with the Sun at one focus of the ellipse?

Answer 8

Kepler’s 1st Law

Question 9

Which of Kepler’s Laws state - The period of the orbit squared is proportional to the semi-major axis cubed?

Answer 9

Kepler’s 3rd Law