Physics 121 Formulas

h

o

sin q = o/h

cos q = a/h

q

tan q = o/a

a

o² + a² = h²

Kinematics

v = Dx/Dt (constant velocity)

a = Dv/Dt (constant acceleration)

Dx = v_ot + ½ a t²

v_f² = v_o² + 2 a Dx

Dynamics

F_net=ma

F_g=Gm₁m₂/r²

F_ms< m _s F_N

F_mk= m _k F_N

F_spring= -k Dx