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Questions and Answers
Balanced forces cause an object to accelerate.
Balanced forces cause an object to accelerate.
False (B)
What is the unit of force?
What is the unit of force?
- Joule (J)
- Newton (N) (correct)
- Kilogram (kg)
- Pound (lbs)
The formula to calculate weight is _____ = mass (m) x gravity (g).
The formula to calculate weight is _____ = mass (m) x gravity (g).
weight (w)
Who is the proponent of the laws of motion?
Who is the proponent of the laws of motion?
Match the following laws of motion with their principles:
Match the following laws of motion with their principles:
According to Newton's second law of motion, what happens when a larger net force is applied to an object?
According to Newton's second law of motion, what happens when a larger net force is applied to an object?
An object must have mass in order to have inertia.
An object must have mass in order to have inertia.
What effect do forces have on objects?
What effect do forces have on objects?
Paraphrasing only involves changing a few words in a text.
Paraphrasing only involves changing a few words in a text.
What is the primary purpose of The Analects?
What is the primary purpose of The Analects?
What does the term 'Jen' refer to in Confucian philosophy?
What does the term 'Jen' refer to in Confucian philosophy?
Plagiarism is considered a breach of _________ in the academic community.
Plagiarism is considered a breach of _________ in the academic community.
Match the following terms with their descriptions:
Match the following terms with their descriptions:
Which of the following is NOT one of the three main philosophies of Confucius?
Which of the following is NOT one of the three main philosophies of Confucius?
Citing sources is an important aspect of avoiding plagiarism.
Citing sources is an important aspect of avoiding plagiarism.
Who compiled the teachings in The Analects?
Who compiled the teachings in The Analects?
What is the unit for work in the International System of Units (SI)?
What is the unit for work in the International System of Units (SI)?
Friction acts on a stationary object when no force is applied.
Friction acts on a stationary object when no force is applied.
Calculate the force needed to accelerate a 66 kg skier at 2 m/s².
Calculate the force needed to accelerate a 66 kg skier at 2 m/s².
According to Newton's Third Law of Motion, for every action, there is an equal but opposite ______.
According to Newton's Third Law of Motion, for every action, there is an equal but opposite ______.
What type of friction opposes motion once it has started?
What type of friction opposes motion once it has started?
What is the acceleration of a 50 kg object pushed with a force of 500 N?
What is the acceleration of a 50 kg object pushed with a force of 500 N?
Match the following terms with their definitions:
Match the following terms with their definitions:
Work is done when a force causes an object to move in the direction of the ______.
Work is done when a force causes an object to move in the direction of the ______.
What is the formula for calculating Power?
What is the formula for calculating Power?
Kinetic energy is a type of potential energy.
Kinetic energy is a type of potential energy.
What is Gravitational Potential Energy and how is it calculated?
What is Gravitational Potential Energy and how is it calculated?
The formula for calculating Kinetic Energy is KE = ___ x v^2.
The formula for calculating Kinetic Energy is KE = ___ x v^2.
Match the following units of power with their equivalent values:
Match the following units of power with their equivalent values:
Study Notes
Confucius and His Philosophy
- Renowned philosopher known as the "Master" or "Great Sage."
- "Analects" is a collection of Confucius' teachings, compiled by his disciples after his death.
- Central concepts include Jen (Benevolence), Yi (Propriety), and Li (Ritual).
Paraphrasing
- Paraphrasing involves restating someone else's ideas in your own words.
- It is a legitimate way to present information when accompanied by proper citation.
- Different from summarization, as it provides a more thorough restatement.
Plagiarism
- Defined as the act of using someone else's work without proper attribution.
- Considered a serious academic offense and a form of intellectual theft.
- The term originates from the Latin word meaning "kidnapper."
Paraphrasing Techniques
- Vocabulary: Use synonyms to replace words in the original text.
- Word Form: Change the grammatical form of certain words to create a new meaning.
- Sentence Structure: Alter the arrangement of words while retaining the original meaning.
Force
- Interaction between two objects that alters their motion.
- Can cause movement, speed change, deceleration, or directional shift.
- Measured using a spring scale; unit of force is the Newton (N), defined as 1 kg accelerating at 1 m/s².
Newton's Laws of Motion
-
First Law (Inertia): An object remains at rest or in uniform motion unless acted upon by an unbalanced force.
-
Example: When a bus stops suddenly, passengers lurch forward due to inertia.
-
Second Law (Acceleration): Expressed as F = ma; the net force on an object is equal to its mass times its acceleration.
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Acceleration increases with greater force and requires more force for heavier masses.
-
Formulas:
- ( a = \frac{F_{net}}{mass} )
- ( F_{net} = mass \times acceleration )
-
Third Law (Interaction): States that for every action, there is an equal and opposite reaction.
-
Examples include fish using fins and rocket propulsion.
Work and Power
- Work: The energy transfer when a force moves an object. Calculated as ( W = F \times d ).
- Unit of work is Joule (J), equal to Newton-meter (N·m).
- Power: Rate at which work is done; calculated by ( P = \frac{W}{t} ).
- Units of power include watt (W), kilowatt (kW), and horsepower (hp).
Energy
- Defined as the capacity to do work, measured in joules (J).
- Mechanical energy can exist as potential or kinetic energy.
Potential Energy
- Stored energy due to an object's position or state.
- Gravitational potential energy is calculated using ( PE = mgh ) (mass × gravity × height).
Kinetic Energy
- Energy of an object in motion, dependent on mass and velocity.
- Calculated using ( KE = \frac{1}{2} mv^2 ).
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Description
Explore the core teachings of Confucius, one of the greatest philosophers in history. This quiz delves into his philosophical concepts as presented in 'The Analects', where he is often referred to as the Master. Understand the significance of his thoughts and their impact on future generations.