Introduction to Physics

Question 1

What is physics?

Answer 1

Physics is the study of matter and energy

Question 2

Examples of Physics:

Answer 2

Alarm Clock
Steam Iron
Running
Ballpoint Pen
Cellphone
Car Seatbelt
Battery
Camera lens

Question 3

Since when has Physics been around?

Answer 3

2000BC

Question 4

Founder of modern Physics?

Answer 4

Galileo Galilei

Question 5

Who studies Physics?

Answer 5

A person who studies Physics is known as a Physicist

Question 6

Name at least 5 career in Physics

Answer 6

Data Analyst
Highschool Physics Teacher
IT Consultant
Web Developer
Lab Technician

Question 7

What is a Physical Quantity?

Answer 7

A physical quantity is any physical property that can be quantified, which means that it can be measured using numbers

Question 8

Examples of Physical Quantities

Answer 8

Mass
Amount of Substance
Length
Time
Density
Force
Temperature
Electric current

Question 9

Physical quantities must have two things

Answer 9

Size and SI Units

Question 10

What exactly is size?

Answer 10

Size is the relative extent is something;a thing’s overall dimensions or magnitude; how big something is

examples:
A door weighs 50 kg
Sam rode the bicycle for 70minutes
The shop is located 50 meters away

Question 11

What exactly is a SI unit?

Answer 11

The SI base units are standard units of measurement by the International System of Units

examples:
50 kg
70 minutes
15 meters

Question 12

PHYSICAL QUANTITIES ARE DIVIDED INTO TWO MAIN BRANCHES

Answer 12

Basic/ fundamental Quantities

Derived Quantities

Question 13

What exactly is Basic/fundamental Quantities?

Answer 13

These are quantities that are
independent on other
physical quantity

Basic quantities of the physical
quantities

Question 14

What exactly is a Derived Quantity?

Answer 14

These are quantities which
depend on fundamental quantities

They are derived from
fundamental quantities.