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Questions and Answers
What is the name of the natural philosopher who is regarded as the most original and influential theorist in the history of science?
What is the name of the natural philosopher who is regarded as the most original and influential theorist in the history of science?
- Galileo
- Copernicus
- Sir Isaac Newton (correct)
- Kepler
What are the two characteristics of force?
What are the two characteristics of force?
- Both magnitude and direction (correct)
- Neither magnitude nor direction
- Only magnitude
- Only direction
What is an example of a pull force?
What is an example of a pull force?
- Drawing a bucket of water from a well (correct)
- Playing basketball
- Hitting a snooker ball
- Kicking a football
What is the name of the scientific structure that was developed as a result of Newton's work?
What is the name of the scientific structure that was developed as a result of Newton's work?
What is an example of a push force?
What is an example of a push force?
What is the term used to describe the interaction between two objects that results in a force?
What is the term used to describe the interaction between two objects that results in a force?
Who are the scientists whose contributions were combined by Newton into a new and powerful synthesis?
Who are the scientists whose contributions were combined by Newton into a new and powerful synthesis?
What is the result of the interaction between two objects?
What is the result of the interaction between two objects?
What determines the strength of a force?
What determines the strength of a force?
What type of force is exerted during an action like hitting a snooker ball?
What type of force is exerted during an action like hitting a snooker ball?
What happens to a body when a force is applied?
What happens to a body when a force is applied?
What is an example of a situation where a force is exerted towards the body?
What is an example of a situation where a force is exerted towards the body?
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Study Notes
Sir Isaac Newton
- Regarded as the most original and influential theorist in the history of science
- Born in 1642 and died in 1727
- English natural philosopher
Contributions to Science
- Invented infinitesimal calculus
- Developed a new theory of light and color
- Transformed the structure of physical science with his three laws of motion and the law of universal gravitation
- Combined the contributions of Copernicus, Kepler, Galileo, Descartes, and others into a new and powerful synthesis
Classical Mechanics
- Resulting structure from Newton's work
- Continues to be a useful and elegant monument to his genius
- Remains in use three centuries later
Force
- A push or pull of an object
- Arises from the interaction between two objects
- Has both magnitude and direction
- Magnitude represents the strength of a force
- Causes modifications in the direction or state of motion of a body
Types of Forces
Push
- A force exerted far from the body
- Examples: hitting a snooker ball, kicking a football
Pull
- A force exerted towards the body
- Examples: drawing a bucket of water from a well, playing tug of war
Force
- A push or pull of an object is referred to as a force
- Force arises from the interaction between two objects
- Force has both magnitude (strength) and direction
Modification of Motion
- Force brings about changes in the direction or state of motion of a body
Types of Forces
Push
- A force exerted far from the body
- Examples: hitting a snooker ball, kicking a football
Pull
- A force exerted towards the body
- Examples: drawing a bucket of water from a well, playing tug of war
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