Subjects/Basic Physics/Newton's laws and forcesSection 4Newton's laws and forcesNewton's first lawCopy LaTeX∑F=0⟹a=0a body remains at rest or with constant velocity in an inertial frame if the net force is zero.View detail →Newton's second lawCopy LaTeX∑F=maBy components∑Fx=max,∑Fy=may,∑Fz=mazView detail →Newton's third lawCopy LaTeXFA→B=−FB→Aaction and reaction forces act on different bodies.View detail →WeightCopy LaTeXFg=mgMagnitudeFg=mgView detail →Kinetic frictionCopy LaTeXfk=μkNView detail →Static frictionCopy LaTeX0≤fs≤μsNMaximum valuefs,max=μsNView detail →Hooke's lawCopy LaTeXFx=−kxrestoring force of an ideal spring.linear elastic regime.View detail →Weight components on an inclined planeCopy LaTeXFg,∥=mgsinθEquivalent formFg,⊥=mgcosθIf there are no other perpendicular forcesN=mgcosθView detail →
Newton's first lawCopy LaTeX∑F=0⟹a=0a body remains at rest or with constant velocity in an inertial frame if the net force is zero.View detail →
Newton's third lawCopy LaTeXFA→B=−FB→Aaction and reaction forces act on different bodies.View detail →
Weight components on an inclined planeCopy LaTeXFg,∥=mgsinθEquivalent formFg,⊥=mgcosθIf there are no other perpendicular forcesN=mgcosθView detail →