作者：NARMEEN AWAN 2 年以前
186
Dynamics
The text delves into various aspects of forces and their applications in both everyday scenarios and more complex systems such as the solar system. It covers the fundamental forces, including gravitational, electromagnetic, weak nuclear, and strong nuclear forces, explaining their roles and interactions.
開啟
workings solar system simple equations nature planetary orbits
Moon
Earth
vice-versa
pull
heavenly bodies
vectors vector diagrams magnitudes Newton (N) freefall mass magnitude Forces 4 fundamental forces gravitational (weakest) weak nuclear radioactive decay proton neutron
electromagnetic atoms molecules
electric charges attract (pull)
repel (push)
strong nuclear (strongest) nucleus protons
repelling
speed directions measured modern technology aerodynamics four different forces air moves
weight
total weight
plane
drag
disruption
air flow
slowing force
thrust
reduced
stronger
energy
rotor
propeller
forwards
moving force
state of force unbalanced force(s) balanced airplane up
wings
lift
difference
air pressure
top surface
under surface
land
takeoff
fly
state of motion accelerating at rest uniform motion
constant velocity System Diagrams Free Body Diagrams Newtonian Law understanding universe Newtons Principia
groundwork modern physics nature of reality
massive bodies inertial reference frame Newton's III Law action force reaction force
Newton's II Law Newton's I Law 2 object movement
falling
accelerate
direction
force change principle inertia matter
velocity
rates
net force system instantaneous zero everyday Forces contact elastic force material
original form
stretched
compressed
pushes pulls
non-contact interaction acceleration simultaneously proportional narmeen motion objects attract
