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Exam WITH 100 VERIFIED ANSWERS Questions and Answers

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(Exam WITH 100% VERIFIED ANSWERS 2024/2025) #5 Questions and Answers Which of the following statements are TRUE? A. According to the law of inertia, rotating objects tend to keep rotating B. The rotational inertia of an object is constant and cannot change C. Newton's first law does not apply...

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  • March 4, 2024
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  • 2023/2024
  • Exam (elaborations)
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(Exam WITH 100% VERIFIED ANSWERS
2024/2025) #5 Questions and Answers

1). Which of the following statements are true?
a. according to the law of inertia, rotating objects tend to keep rotating
b. the rotational inertia of an object is constant and cannot change
c. newton's first law does not apply to rotating objects
d. all of the statements are true

 Ans: According to the law of inertia, rotating objects tend to keep rotating


2). Newton's first law for rotational motion states that an object will maintain its state of
rotational motion unless acted on by an unbalanced (or net)...?

 Ans: Torque


3). Under what conditions is the total angular momentum of a system conserved?

 Ans: When there is no net outside torque


4). An object's resistance to a change in its rotational velocity is called its...?

 Ans: Rotational inertia


5). The rotational equivalent of mass is...?

 Ans: Moment of inertia


6). Angular momentum is considered to be a...?
a. vector quantity
b. scalar quantity

 Ans: Vector quantity


7). Which of these has its center of mass where no mass exists?
a. golf ball
b. baseball




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