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N5 Dynamics & Space

Created by Mr. Twentyman

N5 Dynamics & Space

Satellite Applications

Communicating with Satellites

Curved reflectors / parabolic 

Rocket Launching

Weight & Mass

Newton' Laws

g = a

Free Fall & Terminal Velocity

Satellite Benefits & Orbits

Satellites

Natural vs man-made

Friction

Newton's Laws

Friction

Unbalanced Forces vs balanced

F = ma

Action = -ve reaction

Weight, Mass & Gravity

Gravitational Field Strength

Mass constant, weight varies

Re-entry

Ballistic re-entry/descent

Ablative shielding

Latent Heat

Potential Energy conversion

Risks

Associated with manned travel

Radiation

Pressure

Space

Projectile Motion

Dynamics

Scalars

Combining Vectors

Tip to Tail

Complete the square

Pythagoras for magnitude

Trigonometry for heading

Scale Diagram - method

Challenges of Space Travel

Travelling large distances

Propulsion systems - Ion drive / Gravity assist

Life Support

Maintaining Energy

Terms

Universe

Galaxy

Star/Sun

Planet / Exoplanet

N4-N5 Dynamics & Space

Kinematics

Vectors

Distance & Displacement

Light Years

Cosmology

Light Year - calc

Big Bang Theory

Origins of Universe

CMBR

Evidence for Big Bang

Work Done

E = Fd

Energy

Velocity - Time Graph

Speed-time vs Velocity-time

Constant velocity

+ve and -ve gradient

Displacement = area under graph

Acceleration = Gradient of graph

Speed and Velocity

Average & Instantaneous Speed

EM Spectra

Types of Telescopes - methods to explore Cosmos

Types of Spectra - Line Emission, Line Absorption, Continuous

Gravitational Potential Energy

E = mgh

Acceleration

Gradient of velo-time graph

a = (v-u)/t

def v and u

Kinetic Energy

E = ½mv²

Energy Conservation & Loss