Physics Chapter 5: Forces and Motion
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Questions and Answers

What happens to the force if the mass of an object increases but the acceleration remains constant?

  • The force becomes zero.
  • The force remains the same.
  • The force needs to be increased. (correct)
  • The force needs to be decreased.

    • Which statement best describes an unbalanced force?

  • Resultant force is zero.
  • Results in no acceleration.
  • Causes acceleration to occur. (correct)
  • Forces cancel each other out completely.

    • What is the correct definition of a balanced force?

  • Forces that cancel each other out. (correct)
  • Pushes an object in a single direction.
  • Causes an object to accelerate forward.
  • Results in constant speed without change.

    • Under what condition does an object begin to accelerate?

    <p>When an unbalanced force is applied.</p> Signup and view all the answers

    How can force be described?

    <p>A push or pull exerted on an object.</p> Signup and view all the answers

    What does Newton's First Law state about an object at rest?

    <p>It will remain at rest unless an unbalanced force is applied.</p> Signup and view all the answers

    Which of the following exemplifies Newton's Second Law?

    <p>A more massive object requires more force to achieve the same acceleration.</p> Signup and view all the answers

    What is a correct interpretation of Newton's Third Law?

    <p>An action force cannot exist without a reaction force.</p> Signup and view all the answers

    What relationship does Newton's Second Law describe through the formula net force = mass × acceleration?

    <p>Net force determines the acceleration of an object based on its mass.</p> Signup and view all the answers

    Which of the following is NOT an example of Newton's First Law?

    <p>A rocket engine providing thrust to move forward.</p> Signup and view all the answers

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