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Questions and Answers
According to Newton's laws of motion, an object will remain at rest or in motion at a constant speed in a straight line unless ___________.
According to Newton's laws of motion, an object will remain at rest or in motion at a constant speed in a straight line unless ___________.
- colliding with another object
- subjected to friction
- accelerated by gravity
- acted upon by a force (correct)
According to Newton's laws of motion, the time rate of change of an object's momentum is equal to _______.
According to Newton's laws of motion, the time rate of change of an object's momentum is equal to _______.
- the acceleration of the object
- the force acting on the object (correct)
- the velocity of the object
- the mass of the object
According to Newton's laws of motion, when two bodies exert forces on each other, these forces have _______.
According to Newton's laws of motion, when two bodies exert forces on each other, these forces have _______.
- the same magnitude but opposite directions (correct)
- no effect on each other
- equal magnitudes and directions
- different magnitudes and directions
Who first stated the three laws of motion?
Who first stated the three laws of motion?
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Newton's laws of motion laid the foundation for which branch of physics?
Newton's laws of motion laid the foundation for which branch of physics?
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