Term
| A planet is moving in a perfectly circular orbit around the sun. How much work is being done by the sun? |
|
Definition
|
|
Term
| T or F: Planets move in elliptical orbits, and the sun is at the center of the ellipse. |
|
Definition
| False: The sun is at the focus of the ellipse. This is Kepler's first law of planetary motion. |
|
|
Term
| T or F: A line joining any planet to the sun sweeps out equal areas in equal times. |
|
Definition
| True. This is Kepler's second law of planetary motion. |
|
|
Term
| For a satellite moving along a circular path of radius r, what is the relationship between linear velocity v and angular velocity w? |
|
Definition
| For circular motion v = rw |
|
|
