2002 Test 2

# 2002 Test 2 - ASTR1F00; Test #2; November 13, 2002 Use an...

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ASTR1F00; Test #2; November 13, 2002 Use an HB PENCIL on the Scantron sheet. There are 50 questions. 1. Galileo was the first to observe the a) retrograde motion of planets. b) moons of Jupiter. c) moons of Venus. d) motion of planets relative to the stars. 2. Tycho Brahe a) was the first to use the telescope in astronomy. b) wrote De Revolutionibus. c) made detailed observations of planetary motions. d) wrote Principia. 3. Kepler’s First Law of planetary motion states that the path of each planet about the Sun is a) an epicycle. b) an ellipse. c) a circle. d) a parabola. 4. According to Kepler’s Second Law, the planet moves slowest when it is a) closest to the Sun. b) farthest from the Sun. c) at perihelion. d) in focus. 5. Kepler’s Third Law relates a a) planet’s mass to its orbital speed. b) planet’s orbital period to its distance from the Sun. c) planet’s "day" to its "year." d) planet’s "day" to its mass. 6. Copernicus is best known for introducing a) the telescope in astronomical observations. b) the geocentric model.

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c) the heliocentric model. d) the laws of motion. 7. The heliocentric model explains the observed phases of Venus. a) True. b) False. 8. According to Newton’s laws of motion, if an object moves along a circle then a) there is no force on it. b) there is a force on it pointing to the centre of the circle. 9. If the distance between two bodies is halved, the force of gravity which they exert on each other is a) halved. b) doubled. c) increased by a factor of 4. d) reduced by a factor of 4. 10. Two bodies have equal mass, but body A has a larger radius than body B. Then a) the escape velocity from A is larger than the escape velocity from B. b) the escape velocity from A is smaller than the escape velocity from B. c) the escape velocities from A and B are equal, as the escape velocity does not depend on a body’s radius. d) [No statement can be made based on the given information.]
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## This note was uploaded on 06/01/2011 for the course ECON 1P91 taught by Professor Cottrell during the Spring '08 term at Brock University, Canada.

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2002 Test 2 - ASTR1F00; Test #2; November 13, 2002 Use an...

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