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Mastering Newton's Laws

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Questions and Answers

According to Newton's laws of motion, what happens to a body that is not acted upon by a force?

It remains at rest (correct)
It accelerates
It moves at a constant speed
It changes direction

What is the relationship between the time rate of change of momentum and the force acting on a body?

They are equal (correct)
They are unrelated
They are inversely proportional
They are directly proportional

If two bodies exert forces on each other, what is true about the magnitude and direction of these forces?

They have the same magnitude and same direction
They have different magnitudes and same direction
They have different magnitudes and opposite directions
They have the same magnitude and opposite directions (correct)

Who first stated the three laws of motion?

Isaac Newton (B) Signup and view all the answers

What did Newton use the three laws of motion to investigate and explain?

The motion of physical objects and systems (A) Signup and view all the answers

According to Newton's laws of motion, what is the relationship between the motion of an object and the forces acting on it?

The motion of an object is directly proportional to the forces acting on it. (D) Signup and view all the answers

What is the main purpose of Newton's laws of motion?

To investigate the motion of physical objects and systems (C) Signup and view all the answers

Which of the following is NOT one of Newton's laws of motion?

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. (B) Signup and view all the answers

What is the significance of Newton's laws of motion in the field of physics?

They laid the foundation for classical mechanics. (D) Signup and view all the answers

What is the mathematical relationship between the time rate of change of momentum and the force acting on a body?

The time rate of change of momentum is directly proportional to the force. (C) Signup and view all the answers

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