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Questions and Answers

The physical quantities which can be treated as independent of other physical quantities are called

FUNDAMENTAL QUANTITIES

The physical quantities whose defining operations are based on other physical quantities, are called

DERIVED QUANTITY

Quantities that are described by their magnitude ONLY

SCALAR

Quantities that are described by their magnitude AND direction.

<p>VECTOR</p> Signup and view all the answers

It is a scalar quantity that refers to "how much ground an object has covered" during its motion.

<p>DISTANCE</p> Signup and view all the answers

It is a vector quantity that refers t o "how far out of place an object is“ It is the object's overall change in position.

<p>DISPLACEMENT</p> Signup and view all the answers

Resultant is a vector sum of more than one vector. It is combining vectors having different magnitude and direction. It is represented by one single vector called resultant vector.

<p>VECTOR ADDITION</p> Signup and view all the answers

is any substance that has mass and takes up space by having volume.

<p>MATTER</p> Signup and view all the answers

is the quantitative property that must be transferred to an object to perform work.

<p>ENERGY</p> Signup and view all the answers

The study of forces acting on bodies whether at rest or at motion.

<p>MECHANICS</p> Signup and view all the answers

It studies the production and properties of sounds

<p>ACOUSTIC</p> Signup and view all the answers

The study of the relationship between heat and other forms of energy.

<p>THERMODYNAMICS</p> Signup and view all the answers

The study of the nature and behavior of light.

<p>OPTICS</p> Signup and view all the answers

The study of the properties of electric current and magnetism and their relationship.

<p>ELECTROMAGNETISM</p> Signup and view all the answers

The study of the discrete nature of phenomena at the atomic and subatomic levels its focus is on the invisible units of energy called quanta.

<p>QUANTUM</p> Signup and view all the answers

The study of the components, structure and behavior of the nucleus of the atom.

<p>ATOM AND NUCLEAR</p> Signup and view all the answers

The study of the phenomena that takes place in a forms of reference that is in motion with respect to an observer.

<p>RELATIVISTICS</p> Signup and view all the answers

The study of all properties of solid materials including electrical conduction in crystals of semi-conduction and metals.

<p>SOLID STATE</p> Signup and view all the answers

The study of highly ionized gases that is, gases that have been separated into positively and negatively charged particles.

<p>PLASMA</p> Signup and view all the answers

BRANCHES OF PHYSICS Classical (pre-1900)

<p>Mechanics Acoustics OPTICS Thermodynamics Electromagnetism</p> Signup and view all the answers

BRANCHES OF PHYSICS Modern (post-1900)

<p>Quantum Solid-state Relativistic Atom &amp; Nuclear Plasma</p> Signup and view all the answers

an object is in motion if it change position relative to a reference point.

<p>MOTION</p> Signup and view all the answers

is the science of describing the motion of an object quantitatively.

<p>KINEMATICS</p> Signup and view all the answers

“How fast something is moving.”

<p>SPEED</p> Signup and view all the answers

“It is the speed with direction.”

<p>VELOCITY</p> Signup and view all the answers

ACCELERATES IN THE DIRECTION IT IS MOVING

<p>ACCELERATION</p> Signup and view all the answers

ACCELERATES IN THE OPPOSITE DIRECTION TO ITS MOVEMENT (SLOWS DOWN)

<p>DECELERATION</p> Signup and view all the answers

An object falling without air resistance or friction is defined to be in

<p>FREE FALL</p> Signup and view all the answers

opposes the motion of an object through the air

<p>AIR RESISTANCE</p> Signup and view all the answers

opposes motion between two objects.

<p>FRICTION</p> Signup and view all the answers

SCIENCE OF MATTER AND ENERGY

<p>PHYSICS</p> Signup and view all the answers

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