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1. Newton reasoned that the gravitational attraction between Earth and the moon must be a. Reduced by distance b. Independent of distance c. Directly proportional to distance d. The same at all distances

1. Newton reasoned that the gravitational attraction between Earth and the moon must be a. Reduced by distance b. Independent of distance c. Directly proportional to distance d. The same at all distances

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Direction: Encircle the letter of the correct answer. 1. Newton reasoned that the gravitational attraction between Earth and the moon must be a. Reduced by distance b. Independent of distance c. Directly proportional to distance d. The same at all distances 2. If Earth's mass decreased to one half its original mass, with no change in radius, then your weight would a. Stay the same b. Decrease to one half of your original weight c. Decrease to one quarter of your original weight d. Decrease to one-eighth of your original weight 3. Suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the masses? a. 400 N b. 200 N c. 50 N d. 25 N 4. If 1-kg of oatmeal weighs 10 N on the Earth's surface, what can be said about the weight of 1-kg of cotton? a. One kilogram of cotton weighs about 10 N on the earth's surface. 24 24 / 27 b. One kilogram of cotton weighs one-sixth that of the oaurneai un the earth's surface. c. One kilogram of cotton weighs half the weight of the oatmeal. d. One kilogram of cotton weighs twice that of the oatmeal.
Transcribed Image Text:Direction: Encircle the letter of the correct answer. 1. Newton reasoned that the gravitational attraction between Earth and the moon must be a. Reduced by distance b. Independent of distance c. Directly proportional to distance d. The same at all distances 2. If Earth's mass decreased to one half its original mass, with no change in radius, then your weight would a. Stay the same b. Decrease to one half of your original weight c. Decrease to one quarter of your original weight d. Decrease to one-eighth of your original weight 3. Suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the masses? a. 400 N b. 200 N c. 50 N d. 25 N 4. If 1-kg of oatmeal weighs 10 N on the Earth's surface, what can be said about the weight of 1-kg of cotton? a. One kilogram of cotton weighs about 10 N on the earth's surface. 24 24 / 27 b. One kilogram of cotton weighs one-sixth that of the oaurneai un the earth's surface. c. One kilogram of cotton weighs half the weight of the oatmeal. d. One kilogram of cotton weighs twice that of the oatmeal.
5. Which of the following is TRUE of the mass and weight of an astronaut on Mars, if compared with his mass and weight on Earth? a. Less mass and less weight b. Less mass and more weight c. The same mass and less weight d. The same weight and less mass 6. An astronaut finishes some work on the outside of his satellite, which is in circular orbit around Earth. He leaves his wrench outside the satellite. What will happen to the wrench? a. Fall directly down to Earth b. Continue in orbit at reduced speed c. Continue in orbit with the satellite d. Fly off tangentially to space 7. An artificial satellite of Earth nears the end of its life due to air resistance. What will happen to the satellite while still in orbit? a. It moves faster as the orbit lowers b. It moves slower as the orbit lowers c. It slowly spirals away from Earth d. It moves slower in the same orbit but with a decreasing period 8. Two satellites A and B orbit the same planet. Satellite B moves in circular orbit with twice greater radius than satellite A. What is the orbital velocity of satellite B compared to the velocity of A? 2r C. VA = "A = "a e b. VA =V8 9. A planet travels in an elliptical orbit about a star as shown. At what pair of points is the speed of the planet the same? a. W and S b. P and T c. P and R d. VA =Ve %3! Q P d. Q and U 25
Transcribed Image Text:5. Which of the following is TRUE of the mass and weight of an astronaut on Mars, if compared with his mass and weight on Earth? a. Less mass and less weight b. Less mass and more weight c. The same mass and less weight d. The same weight and less mass 6. An astronaut finishes some work on the outside of his satellite, which is in circular orbit around Earth. He leaves his wrench outside the satellite. What will happen to the wrench? a. Fall directly down to Earth b. Continue in orbit at reduced speed c. Continue in orbit with the satellite d. Fly off tangentially to space 7. An artificial satellite of Earth nears the end of its life due to air resistance. What will happen to the satellite while still in orbit? a. It moves faster as the orbit lowers b. It moves slower as the orbit lowers c. It slowly spirals away from Earth d. It moves slower in the same orbit but with a decreasing period 8. Two satellites A and B orbit the same planet. Satellite B moves in circular orbit with twice greater radius than satellite A. What is the orbital velocity of satellite B compared to the velocity of A? 2r C. VA = "A = "a e b. VA =V8 9. A planet travels in an elliptical orbit about a star as shown. At what pair of points is the speed of the planet the same? a. W and S b. P and T c. P and R d. VA =Ve %3! Q P d. Q and U 25
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