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Questions and Answers
According to Newton's laws of motion, which of the following statements is true?
According to Newton's laws of motion, which of the following statements is true?
- An object at rest stays at rest and an object in motion stays in motion with the same speed and in the opposite direction unless acted upon by an unbalanced force.
- An object at rest stays at rest and an object in motion stays in motion with a changing speed and opposite direction unless acted upon by a balanced force.
- An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. (correct)
- An object at rest stays at rest and an object in motion stays in motion with a changing speed and direction unless acted upon by an unbalanced force.
According to Newton's laws of motion, which of the following statements is true about the relationship between force and acceleration?
According to Newton's laws of motion, which of the following statements is true about the relationship between force and acceleration?
- Force and acceleration are unrelated.
- Force and acceleration have a complex relationship.
- Force is directly proportional to acceleration. (correct)
- Force is inversely proportional to acceleration.
According to Newton's laws of motion, which of the following statements is true about action and reaction forces?
According to Newton's laws of motion, which of the following statements is true about action and reaction forces?
- Action and reaction forces are unequal in magnitude and same in direction.
- Action and reaction forces are equal in magnitude and opposite in direction. (correct)
- Action and reaction forces are unequal in magnitude and opposite in direction.
- Action and reaction forces are equal in magnitude and same in direction.
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