Podcast
Questions and Answers
A vector is represented by an arrow that indicates both its scale and its direction.
A vector is represented by an arrow that indicates both its scale and its direction.
True (A)
A unit vector has a magnitude equal to ten.
A unit vector has a magnitude equal to ten.
False (B)
The notation for a vector can include symbols such as M N or A.
The notation for a vector can include symbols such as M N or A.
True (A)
The orthonormal direct basis consists of vectors that are not orthogonal to each other.
The orthonormal direct basis consists of vectors that are not orthogonal to each other.
To derive a unit vector, the initial vector should be multiplied by its magnitude.
To derive a unit vector, the initial vector should be multiplied by its magnitude.
Kinematics focuses on the study of forces affecting the movement of bodies.
Kinematics focuses on the study of forces affecting the movement of bodies.
Dynamics is the study of movement that does not take into account the forces exerted on the bodies.
Dynamics is the study of movement that does not take into account the forces exerted on the bodies.
The first part of the course material is dedicated to the study of dynamics.
The first part of the course material is dedicated to the study of dynamics.
Mathematical tools are introduced before the kinematics section.
Mathematical tools are introduced before the kinematics section.
This course material serves as a standalone resource for students.
This course material serves as a standalone resource for students.
Relative uncertainty is a part of error calculations mentioned in the course outline.
Relative uncertainty is a part of error calculations mentioned in the course outline.
The handout is specifically for students in the third semester of the SM track.
The handout is specifically for students in the third semester of the SM track.
Vectors are discussed as an essential component of the mathematical tools needed for the course.
Vectors are discussed as an essential component of the mathematical tools needed for the course.
The absolute velocity of point M can be expressed as $Va (M) = Vr (M) + Ve (M)$.
The absolute velocity of point M can be expressed as $Va (M) = Vr (M) + Ve (M)$.
The training velocity of M is defined as the absolute speed of point M fixed in its position at time t.
The training velocity of M is defined as the absolute speed of point M fixed in its position at time t.
The equation for absolute velocity includes terms for both relative velocity and training velocity.
The equation for absolute velocity includes terms for both relative velocity and training velocity.
The symbol $Ve (M)$ represents the relative velocity of point M.
The symbol $Ve (M)$ represents the relative velocity of point M.
The formula for absolute velocity $Va (M)$ is a function of the time derivatives of point M's position.
The formula for absolute velocity $Va (M)$ is a function of the time derivatives of point M's position.
The first principle of Newton states that an isolated particle in a Galilean reference frame is either in motion or at rest.
The first principle of Newton states that an isolated particle in a Galilean reference frame is either in motion or at rest.
Newton's second principle states that the mass of an object is inversely proportional to its acceleration when a force is applied.
Newton's second principle states that the mass of an object is inversely proportional to its acceleration when a force is applied.
The third principle of Newton asserts that an action does not always have a corresponding reaction.
The third principle of Newton asserts that an action does not always have a corresponding reaction.
The force unit in the SI system is represented in kilograms per meter per second squared.
The force unit in the SI system is represented in kilograms per meter per second squared.
Inertia is defined as the tendency of an object to embrace changes in its motion.
Inertia is defined as the tendency of an object to embrace changes in its motion.
Base units such as length, time, and mass are fundamental to physics and are defined by physical standards.
Base units such as length, time, and mass are fundamental to physics and are defined by physical standards.
A Galilean reference frame is one in which the trajectory of a particle under no external action is curved.
A Galilean reference frame is one in which the trajectory of a particle under no external action is curved.
The action-reaction forces described by Newton's third principle always act on the same body.
The action-reaction forces described by Newton's third principle always act on the same body.
The elongation of the spring cannot lead to irreversible deformation if it remains too great.
The elongation of the spring cannot lead to irreversible deformation if it remains too great.
When the spring is compressed, it exerts a restoring force from left to right if its length is less than its equilibrium length.
When the spring is compressed, it exerts a restoring force from left to right if its length is less than its equilibrium length.
The force exerted by the spring on the mass is not proportional to the instantaneous elongation.
The force exerted by the spring on the mass is not proportional to the instantaneous elongation.
The restoring force of the spring is always directed towards the right, regardless of its elongation state.
The restoring force of the spring is always directed towards the right, regardless of its elongation state.
The spring has a length $l$ that is equal to $l_0$ when it is unstretched.
The spring has a length $l$ that is equal to $l_0$ when it is unstretched.
The amount of elongation of the spring affects the velocity of the mass M as it oscillates.
The amount of elongation of the spring affects the velocity of the mass M as it oscillates.
In a frictionless environment, the mass M will not oscillate once released from the spring's stretched position.
In a frictionless environment, the mass M will not oscillate once released from the spring's stretched position.
The notation for the force exerted by the spring can be represented as $F = -kX i$, with $X$ being a positive quantity when the spring is extended.
The notation for the force exerted by the spring can be represented as $F = -kX i$, with $X$ being a positive quantity when the spring is extended.
A ball dropped from a building experiences a uniformly accelerated motion due to gravity.
A ball dropped from a building experiences a uniformly accelerated motion due to gravity.
The position vector of the ball when released is O0 M = z i.
The position vector of the ball when released is O0 M = z i.
The acceleration of the ball in the reference frame linked to the building is represented as $-γ = -g k$.
The acceleration of the ball in the reference frame linked to the building is represented as $-γ = -g k$.
In the moving reference frame R0, the ball is said to undergo a uniformly accelerated rectilinear motion with acceleration $γ = a j$.
In the moving reference frame R0, the ball is said to undergo a uniformly accelerated rectilinear motion with acceleration $γ = a j$.
The trajectory of the ball can be derived using the equations of uniformly accelerated motion.
The trajectory of the ball can be derived using the equations of uniformly accelerated motion.
When the ball is dropped, it has an initial velocity of zero.
When the ball is dropped, it has an initial velocity of zero.
The reference frame R(O, i, j, k) moves uniformly with respect to the ground.
The reference frame R(O, i, j, k) moves uniformly with respect to the ground.
The vertical fall of the ball occurs at the same time as the relative motion of the car.
The vertical fall of the ball occurs at the same time as the relative motion of the car.
Flashcards
Kinematics
Kinematics
The study of the motion of objects without considering the forces that cause the motion.
Dynamics
Dynamics
The study of motion of objects taking into account the forces acting upon them.
Absolute Error
Absolute Error
The difference between the measured value and the true value of a quantity.
Relative Uncertainty
Relative Uncertainty
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Vector
Vector
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Orthonormal Direct Basis
Orthonormal Direct Basis
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Velocity
Velocity
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Acceleration
Acceleration
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Vector Quantity
Vector Quantity
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Unit Vector
Unit Vector
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Orthonormal Basis
Orthonormal Basis
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Vector Components
Vector Components
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Point Coordinates
Point Coordinates
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Relative Velocity (Vr)
Relative Velocity (Vr)
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Absolute Velocity (Va)
Absolute Velocity (Va)
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Training Velocity (Ve)
Training Velocity (Ve)
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Velocity Composition
Velocity Composition
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Acceleration (a)
Acceleration (a)
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Trajectory
Trajectory
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Inertial Reference Frame
Inertial Reference Frame
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Uniform Rectilinear Motion
Uniform Rectilinear Motion
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Origin
Origin
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Position Vector
Position Vector
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Non-Inertial Reference Frame
Non-Inertial Reference Frame
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Inertial Frame of Reference
Inertial Frame of Reference
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Hooke's Law for Springs
Hooke's Law for Springs
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Equilibrium Position
Equilibrium Position
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Elongation
Elongation
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Restoring Force
Restoring Force
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Inertia
Inertia
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Linear Relationship between Force and Displacement
Linear Relationship between Force and Displacement
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Spring Constant (k)
Spring Constant (k)
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Oscillatory Motion
Oscillatory Motion
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Galilean Reference Frame
Galilean Reference Frame
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Newton's First Law (Inertia)
Newton's First Law (Inertia)
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Newton's Second Law (Force, Mass, and Acceleration)
Newton's Second Law (Force, Mass, and Acceleration)
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Newton's Third Law (Action and Reaction)
Newton's Third Law (Action and Reaction)
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Action-Reaction Pair
Action-Reaction Pair
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Newton (N)
Newton (N)
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Base Units
Base Units
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Study Notes
Course Information
- Course Title: Physics 01
- Course and Tasks
- Prepared by: Dr. Houria Chaachoua Sameut
- Academic Year: 2023-2024
- University: Hassiba Benbouali University of Chlef
- Faculty: Faculty of Exact Sciences and Computer Science
- Department: Commun Core Department
Kinematics
- Kinematics is a subdivision of mechanics
- Its objective is the quantitative study of motion of material bodies
- It disregards the forces causing the motion
- Examples of kinematic quantities include position, speed, and acceleration
Dynamics
- Dynamics is the study of bodies' motion considering the forces acting on them
Mathematical Tools
- This section covers mathematical tools relevant to the study of kinematics and mechanics (e.g., error calculations, vectors).
- Includes definitions for absolute error, absolute uncertainty, relative uncertainty, and error calculations in addition, subtraction, products, and quotients. Includes vectors, definitions, orthonormal direct bases, coordinates of a point, components of a vector, and vector operations (multiplying by scalars, adding vectors, vector products, double-cross products, mixed products) and vector derivation.
- Explains specific cases of products/quotients and vector operations
- Concepts and definitions for various mathematical operators (e.g., gradient, divergence, rotation).
- Gives examples, and describes how each mathematical tool is used, e.g. finding absolute error, computing relative uncertainty, etc.
- Provides examples for error calculations and vector operations.
- Describes coordinate systems (Cartesian, cylindrical, and spherical).
Kinematics of Material Point
- Definition: the study of motion of bodies, independent of the causes that produce this motion
- Key quantities in kinematics: time, position, speed, and acceleration
- Average velocity
- Instantaneous velocity
- Acceleration
- Velocity and acceleration vectors in different coordinate systems
Examples of Simple Movements
- Examples of simple movements:
- Rectilinear motion: motion along a straight line; specifically rectilinear motions are categorized as uniform and uniformly accelerated (decelerated).
- Rectilinear sinusoidal motion
- Circular motion: movement along a circular path.
Change of Reference Frame
- Absolute reference frame
- Relative reference frame
- Velocity composition
- Acceleration composition
Point Material Dynamics
- Definition: the study of motion in relation to force
- Newton's first law (principle of inertia)
- Newton's second law (fundamental principle of dynamics) : the resultant of forces acting on a material point is proportional to its acceleration
- Newton's third law (action-reaction principle)
Force Classification
- Real (or External) Forces
- Action-at-a-Distance Forces
- Examples of action-at-a-distance forces
- Electrostatic force
- Gravitational force
- Contact forces
- Examples of contact forces
- Normal force
- Friction forces (static and kinetic)
- Viscous friction
Quantity of Movement and Kinetic Momentum
- Momentum
- Angular momentum
- Angular momentum theorem
Corrected Exercises
- Detailed numerical examples and solutions demonstrating the application of concepts and equations presented in the text.
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Description
This quiz covers essential concepts in dynamics and vectors, focusing on their representation, magnitude, and direction. Students will explore mathematical tools, kinematics, and error calculations relevant to movement studies. Perfect for third-semester students in the SM track.
