Science of motion 1st partial

Physics branches

100

What does physics study?

Matter, energy, space, time, interactions 

200

Period of the classical physics

Until mid-nineteenth century 

300

Period where the modern physics began 

at the end of the nineteenth century

400

Branches of the Classical Physics

Mechanics, Optics, Acoustics, Thermodynamics, Electromagnetism

500

Branches of the Modern Physics

Relativistic, Nuclear, Atomic, Particle, Plasma

History/Definitions

100

Father of the scientific method

Galileo Galilei

200

Examples of fundamental magnitudes

Length, mass, time

300

Examples of derived units

Force, acceleration, area and volume, km/hr

400

Who studies the gravity?

Isaac Newton

500

The idea that newton´s laws of motion do not apply to objects moving close to the speed of ligth comes from: 

Albert Einstein

More definitions

100

Result of a measurement

Physical quantity

200

What is a measurement?

The comparison of a physical property with another of the same kind 

300

Unit of measuring in the International system for the intensity of electric current

AMPERE

400

What happens if two vectors are the same magnitude, direction and sense

The resulting vector of the sum is twice the magnitude of each vector

500

What happens if two vectors had the same magnitude and sense but different direction

The resultingvector of the sum its equal to zero

Conversion

100

Convert 56 in to cm

142.24cm

200

135KM/HR TO M/S

37.5M/S

300

59cm² to m²

5.9X10^-3

400

A grain of sand has a volume of 2.5x10^-12  m³. How many grains will be in a container of 0.5m³

2X10¹¹ GRAINS

500

Number of atoms in a sample of 0.7gr of uranium if the mass of one atom of uranium is 4x10^-25kg

1.75x10²¹ atoms

Vectors

100

Determine the rectangular components of the vector F= 70N and Theta=45°

Fx= 49.49 and Fy=49.49

200

For vectors F1=70N and theta1=45°, F2=100N and theta2=200°, F3=20N and theta3=20°.

Determine the summatory Fx

SumFx=-25.68N

300

For vectors F1=70N and theta1=45°, F2=100N and theta2=200°, F3=20N and theta3=20°.

Determine the summatory Fy

sumFy=22.13N

400

For vectors F1=70N and theta1=45°, F2=100N and theta2=200°, F3=20N and theta3=20°.

Determine the magnitude of the resulting force Fr

Fr=33.89N

500

For vectors F1=70N and theta1=45°, F2=100N and theta2=200°, F3=20N and theta3=20°.

Determine the direction (angle)

Angle= 139.25°