A Large Massive Rock Is in Contact with the Earth

question 89

Multiple Choice

A large massive rock is in contact with the earth.Draw a force diagram for the rock and the earth.Which of the following statements is true?

• A) The gravitational force on the rock due to the earth and the gravitational force on the earth due to the rock are interaction partners.
• B) The gravitational force on the rock due to the earth and the contact force on the earth due to the rock are interaction partners.
• C) The contact force on the earth due to the rock and the gravitational force on the earth due to the rock are interaction partners.
• D) The gravitational force on the earth due to the rock and the contact force on the earth due to the rock are interaction partners.

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