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F=
ma
Fx=
Fcosθ
Fy=
Fsinθ
Ff=
µkFN
Ffmax=
µsFN
P=
Fperpend/A
XCM=
(m1x1 + m2x2 + m3x3 + …)/(m1 + m2 + m3 + …)
XCM= (words)
center of mass
Fgrav=
GMm/r2
Gravitational Force
F = GMm/r²
forces on an inclined plane
FN=mgcosθ, Fg acting parallel = mgsinθ
FN=
mgcosθ
Fg acting parallel =
mgsinθ
Torque
τ = rFsinθ = lF
r = (words)
radius vector (m)
θ = (words torque)
angle between radius vector and the force
l (words torque)
lever arm (m)
centripetal force
Fc = mv²/r
Centripetal Acceleration
ac = v²/r