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Questions and Answers
Which of the following best describes dynamics?
Which of the following best describes dynamics?
- The study of forces only
- The study of the cause of motion (correct)
- The study of motion only
- The study of energy
Which factor does NOT directly affect an object's motion?
Which factor does NOT directly affect an object's motion?
- Applied force
- Color of the object (correct)
- Frictional forces
- Mass of the object
What is the definition of force?
What is the definition of force?
- The agent that changes the state of rest or motion of a body (correct)
- The speed of an object
- The mass of an object
- The energy of an object
What can force do to a body?
What can force do to a body?
Which of the following describes momentum?
Which of the following describes momentum?
Momentum is the product of which two quantities?
Momentum is the product of which two quantities?
What do objects resist according to Newton's first law of motion?
What do objects resist according to Newton's first law of motion?
What is another name for Newton's first law of motion?
What is another name for Newton's first law of motion?
What property of an object is inertia related to?
What property of an object is inertia related to?
What does Newton's second law of motion relate?
What does Newton's second law of motion relate?
Flashcards
What is Dynamics?
What is Dynamics?
The study of the causes of motion, including force, mass, and friction's effects.
What is Force?
What is Force?
An agent that can change an object's state of rest or motion; it can cause acceleration.
What is Momentum?
What is Momentum?
A measure of how much motion is 'contained' in a body; product of mass and velocity.
Newton's First Law
Newton's First Law
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What is Inertia?
What is Inertia?
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Newton's Second Law
Newton's Second Law
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Study Notes
- Dynamics is a study of the cause of motion.
- Common forces, mass, and frictional forces influence an object's motion.
- Force is what changes an object's state of rest or motion, causing acceleration.
- Momentum is the quantity of motion within a body.
- Momentum is the product of the mass and velocity of a moving object.
- Newton's first law states objects resist changes to their state of rest or motion.
- Newton's first law of motion is also called the law of Inertia.
- Inertia is a property of an object that allows it to maintain its state of rest or motion.
- Newton's second law of motion states that a net force causes acceleration in the direction of the force and is given by F=ma.
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