Physics
Forces and pressure
Newton's laws, weight, friction and pressure.
Physics
Force from Newton's second law
F = ma→PhysicsWeight force
P = mg→PhysicsFriction force
Fₜ = μN→PhysicsPressure from force and area
p = F / S→PhysicsCentripetal force
F = mv²/r→PhysicsWeight in elevator accelerating up
P = m(g+a)→PhysicsWeight in elevator accelerating down
P = m(g−a)→PhysicsString tension accelerating up
T = m(g+a)→PhysicsString tension accelerating down
T = m(g−a)→PhysicsElastic force from Hooke's law
F = kx→PhysicsUniversal gravitation force
F = Gm₁m₂/r²→PhysicsGravitational acceleration near a body
g = GM/R²→PhysicsResultant of two forces
R = √(F₁²+F₂²+2F₁F₂cosα)→PhysicsHydrostatic pressure
p = ρgh→