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1. Which of the following best describes the strength of the gravitational force on Earth due to your mass? a) It is zero as long as you are standing on Earth's surface. b) it is much greater than Earth's gravitational force on you because Earth's mass is so great. c) It is equal in magnitude of the force that Earth exerts on you. d) It is negligible compared to the force of gravity on you because your mass is so small when compared to Earth's mass. 2. Spherical planet A has a mass m and radius r. Spherical planet B has mass 2m and a radius of 4r. How does the gravitational field strength at the surface of the planet B compare to the surface of planet A? a) It is the same as planet A. b) It is twice that of planet A. c) It is half that of planet A. d) It is one-eighth that of planet A. 3. How does a planet's gravity help keep a satellite in a circular orbit? a) It pulls the satellite in the same direction as its motion. b) It pulls the satellite at an angle 30° to its direction of motion. c) It pulls the satellite at an angle 60° to its direction of motion. d) It pulls the satellite at an angle 90° to its direction of motion. 4. The period of a satellite is independent of a) its own mass. b) the mass of the planet it orbits. c) the value of the gravitational constant. d) the orbital radius.

1. Which of the following best describes the strength of the gravitational force on Earth due to your mass? a) It is zero as long as you are standing on Earth's surface. b) it is much greater than Earth's gravitational force on you because Earth's mass is so great. c) It is equal in magnitude of the force that Earth exerts on you. d) It is negligible compared to the force of gravity on you because your mass is so small when compared to Earth's mass. 2. Spherical planet A has a mass m and radius r. Spherical planet B has mass 2m and a radius of 4r. How does the gravitational field strength at the surface of the planet B compare to the surface of planet A? a) It is the same as planet A. b) It is twice that of planet A. c) It is half that of planet A. d) It is one-eighth that of planet A. 3. How does a planet's gravity help keep a satellite in a circular orbit? a) It pulls the satellite in the same direction as its motion. b) It pulls the satellite at an angle 30° to its direction of motion. c) It pulls the satellite at an angle 60° to its direction of motion. d) It pulls the satellite at an angle 90° to its direction of motion. 4. The period of a satellite is independent of a) its own mass. b) the mass of the planet it orbits. c) the value of the gravitational constant. d) the orbital radius.

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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1. Which of the following best describes the strength of the gravitational force on Earth due to your mass? a) It is zero as long as you are standing on Earth's surface. b) it is much greater than Earth's gravitational force on you because Earth's mass is so great. c) It is equal in magnitude of the force that Earth exerts on you. d) It is negligible compared to the force of gravity on you because your mass is so small when compared to Earth's mass. 2. Spherical planet A has a mass m and radius r. Spherical planet B has mass 2m and a radius of 4r. How does the gravitational field strength at the surface of the planet B compare to the surface of planet A? a) It is the same as planet A. b) It is twice that of planet A. c) It is half that of planet A. d) It is one-eighth that of planet A. 3. How does a planet's gravity help keep a satellite in a circular orbit? a) It pulls the satellite in the same direction as its motion. b) It pulls the satellite at an angle 30° to its direction of motion. c) It pulls the satellite at an angle 60° to its direction of motion. d) It pulls the satellite at an angle 90° to its direction of motion. 4. The period of a satellite is independent of a) its own mass. b) the mass of the planet it orbits. c) the value of the gravitational constant. d) the orbital radius. 5. To pinpoint the location of your vehicle with 15 m using a Global Positioning System (GPS), how many satellites' signals must interact? a) 1. c) 3. b) 2. d) 4.
Transcribed Image Text:1. Which of the following best describes the strength of the gravitational force on Earth due to your mass? a) It is zero as long as you are standing on Earth's surface. b) it is much greater than Earth's gravitational force on you because Earth's mass is so great. c) It is equal in magnitude of the force that Earth exerts on you. d) It is negligible compared to the force of gravity on you because your mass is so small when compared to Earth's mass. 2. Spherical planet A has a mass m and radius r. Spherical planet B has mass 2m and a radius of 4r. How does the gravitational field strength at the surface of the planet B compare to the surface of planet A? a) It is the same as planet A. b) It is twice that of planet A. c) It is half that of planet A. d) It is one-eighth that of planet A. 3. How does a planet's gravity help keep a satellite in a circular orbit? a) It pulls the satellite in the same direction as its motion. b) It pulls the satellite at an angle 30° to its direction of motion. c) It pulls the satellite at an angle 60° to its direction of motion. d) It pulls the satellite at an angle 90° to its direction of motion. 4. The period of a satellite is independent of a) its own mass. b) the mass of the planet it orbits. c) the value of the gravitational constant. d) the orbital radius. 5. To pinpoint the location of your vehicle with 15 m using a Global Positioning System (GPS), how many satellites' signals must interact? a) 1. c) 3. b) 2. d) 4.
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