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Questions and Answers
What does projectile motion rely on for its vertical motion?
What does projectile motion rely on for its vertical motion?
According to Newton's First Law, an object will remain in motion until an external force acts on it.
According to Newton's First Law, an object will remain in motion until an external force acts on it.
True
State Coulomb’s Law in your own words.
State Coulomb’s Law in your own words.
The force between two charges is proportional to the product of the charges and inversely proportional to the square of the distance between them.
In circular motion, the force acting towards the center is known as ________ force.
In circular motion, the force acting towards the center is known as ________ force.
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What happens to the range of projectile motion when the launch angle is at 45 degrees?
What happens to the range of projectile motion when the launch angle is at 45 degrees?
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Match the following forces with their definitions:
Match the following forces with their definitions:
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Electric field is defined as the ________ per unit charge.
Electric field is defined as the ________ per unit charge.
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Opposite charges repel each other according to the principles of electrostatics.
Opposite charges repel each other according to the principles of electrostatics.
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Study Notes
Motion in Plane
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Projectile Motion: An object moving under gravity and initial velocity has both horizontal (constant velocity) and vertical (accelerated due to gravity) components. The range is maximized at a specific launch angle. Time of flight depends only on the vertical component of velocity.
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Relative Velocity: Velocity of one object compared to another, calculated as the vector sum of individual velocities.
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Circular Motion: Objects follow circular paths experiencing centripetal force and centripetal acceleration. Centripetal force is directed towards the center of the circle, and so is acceleration.
Laws of Motion
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Newton's First Law (Inertia): Objects at rest stay at rest, and objects in motion stay in motion with the same velocity unless acted upon by an external force.
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Newton's Second Law: Acceleration is directly proportional to net force and inversely proportional to mass (F = ma).
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Newton's Third Law (Action-Reaction): For every action, there is an equal and opposite reaction. Forces always come in pairs.
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Friction: A force opposing motion.
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Tension: Force transmitted through a rope or string.
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Normal Force: Force a surface exerts to support an object resting on it.
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Equilibrium: State where net force and net torque are zero.
Electrostatics
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Charge: A fundamental property of matter. Like charges repel, unlike charges attract.
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Coulomb's Law: The force between two charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.
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Electric Field: A region surrounding a charged object where it exerts force on other objects. Electric field is calculated as force per unit charge.
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Electric Fields Direction: Field lines point away from positive charges and towards negative charges.
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Electric Potential Energy: Energy stored in a system of charges due to their positions.
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Gauss's Law: Electric flux through a closed surface is proportional to the enclosed charge.
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Electric Flux: Flow of electric field through a surface.
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Capacitance: A system's ability to store charge.
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Description
Test your understanding of Motion in Plane and Laws of Motion in this quiz. Explore concepts like projectile motion, relative velocity, circular motion, and Newton's laws. Challenge yourself with questions that cover both theory and application of these foundational physics topics.
