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Newton's Laws of Motion Quiz

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Questions and Answers

What is kinematics based on?

Numerical coordinates

What does a positive average velocity indicate?

The position coordinate increases over the interval in question

How is a body's trajectory represented?

By a function that assigns to each value of a time variable the values of all the position coordinates

How is the instantaneous velocity denoted?

The derivative of the position with respect to time Signup and view all the answers

What concept is used to define the velocity and all other derivatives?

The concept of a limit Signup and view all the answers

According to Newton's first law of motion, what happens to a body when no force is acting on it?

A body remains at rest, or in motion at a constant speed in a straight line Signup and view all the answers

What is the relationship between the net force on a body and its acceleration and mass?

The net force on a body is equal to the body's acceleration multiplied by its mass Signup and view all the answers

When two bodies exert forces on each other, what can be said about the magnitude and direction of these forces?

These forces have the same magnitude but opposite directions Signup and view all the answers

In which publication did Isaac Newton first state the three laws of motion?

Isaac Newton first stated the three laws of motion in his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) Signup and view all the answers

What are the limitations to Newton's laws of motion that have been discovered?

New theories are necessary when objects move at very high speeds (special relativity), are very massive (general relativity), or are very small (quantum mechanics) Signup and view all the answers