Physics Fundamentals

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Questions and Answers

Which branch of physics deals with the motion of objects and the forces that cause them?

  • Thermodynamics
  • Optics
  • Mechanics (correct)
  • Electromagnetism

What is the rate of change of displacement called?

  • Energy
  • Velocity (correct)
  • Acceleration
  • Force

Which of Newton's laws states that for every action, there is an equal and opposite reaction?

  • Third Law (correct)
  • Second Law
  • Law of Gravitation
  • First Law

What type of energy is associated with the motion of an object?

<p>Kinetic Energy (A)</p> Signup and view all the answers

What is the formula relating voltage, current, and resistance?

<p>V = IR (C)</p> Signup and view all the answers

What is the term for the bending of waves around obstacles?

<p>Diffraction (B)</p> Signup and view all the answers

Which of the scenarios describes constant velocity (zero acceleration)?

<p>Uniform motion (D)</p> Signup and view all the answers

What does thermodynamics primarily deal with?

<p>Heat, work, and energy (D)</p> Signup and view all the answers

What is the term for energy transferred due to a temperature difference?

<p>Heat (B)</p> Signup and view all the answers

Which of the following is the measure of disorder in a system?

<p>Entropy (B)</p> Signup and view all the answers

Flashcards

What is Physics?

The science of matter, energy, space, and time and their relationships.

What is Mechanics?

Branch of physics studying the motion of objects and forces.

What is Kinematics?

Describes motion, focusing on displacement, velocity, and acceleration without considering causes.

What is Dynamics?

Studies the relationship between forces and motion, based on Newton's laws.

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What is Statics?

Deals with objects at rest or in equilibrium.

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What is Energy?

The capacity to do work.

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What is Kinetic Energy?

Energy of motion, equal to 1/2 * mass * velocity squared.

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What is Potential Energy?

Stored energy, like that due to height.

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What is Angular Displacement?

The angle through which an object rotates.

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What is Torque?

A force that causes rotation.

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