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Set CG9: Gravitational Force 1

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Assignment Overview

Use Newton's law of universal gravitation to calculate the force of attraction between two objects of known mass and separation distance.

 1. CG9Q1
Points: 0/1

Tyrone and Mia have masses of 83.4 kg and 61.7 kg respectively. They sit 1.25 m apart in the front center of Mr. H's Physics class. For some time, they each have been sensing a sort of electricity in their growing relationship. And now, six units into their Physics course, they have learned that they are also gravitationally attracted to each other. Determine the magnitude of this force of gravitational attraction.

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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 2. CG9Q2
Points: 0/1

Determine the force of gravitational attraction between the Earth and the moon. Their masses are 5.98 x 1024 kg and 7.26 x 1022 kg, respectively. The average distance separating the Earth and the moon is 3.84 x 108 m. Determine the force of gravitational attraction between the Earth and the moon.

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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 3. CG9Q3
Points: 0/1

Determine the force of gravitational attraction between the Earth and the sun. Their masses are 5.98 x 1024 kg and 1.99 x 1030 kg, respectively. The average distance separating the Earth and the sun is 1.50 x 1011 m. Determine the force of gravitational attraction between the Earth and the sun.

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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 4. CG9Q4
Points: 0/1

Odd things can happen at a bowling alley, like the time two 7.26-kg bowling balls sitting next to each other developed a gravitational attraction for one another. It their centers were 40.6 cm apart, then what was the gravitational force value? 

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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 5. CG9Q5
Points: 0/2

Let's just suppose that you had a mass of 63.4 kg. The Earth has a mass of 5.972x1024 kg and a radius of 6.371x106 m. (Use G = 6.674x10-11 N·m2/kg2.)

  1. What is the force of gravitational attraction between you and the Earth? 

    Gravitational Force

    N

  2. Using a g value of 9.8 N/kg, what is your weight?

    Weight

    N

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 6. CG9Q6
Points: 0/1

An astronomer spots two celestial bodies of mass 3.67x1019 kg and 6.84x1022 kg separated by a distance of 5.85x1014 m. Determine the force (in Newtons) of gravitational attraction between the two bodies.

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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 7. CG9Q7
Points: 0/1

Tom has a mass of 90.0 kg and Becky has a mass of 55.4 kg. Tom and Becky are at a barnyard dance. Becky looks up and sees Tom standing 14.2 m away. She instantly feels an attraction. If the attraction is gravitational, find its magnitude. 

Use the scientific notation entry fields to answer.

  1. Gravitational Force

    x10^

    N

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