Physics Equation Sheet

Kinematic equations
1) v2 = v1 + a ∆t
2) ∆d = ½ (v1 + v2) ∆t
3) ∆d = v1 ∆t + ½ a ∆t
4) ∆d = v2 ∆t – ½ a ∆t²
5) v2² = v1² + 2a ∆d

Cos Law
c² = a² + b² - 2ab cos C

Sine Law
sin A = sin B = sin C
a b c

Newton’s 2nd Law
F = ma

Force of Gravity
Fg = G (m1)(m2)
r²
G = 6.67 * 10-11 N*m²/kg²
mEARTH = 5.98 * 1024 kg
rEARTH = 6.38 * 106 m

Friction
Ff = μ FN

Hooke’s Law
FS = k x