VCE PHYSICS Unit 2 – Formulae Sheet
Motion
Change in position (Displacement)
Change in velocity
∆𝑥 = 𝑥𝑓𝑖𝑛𝑎𝑙 − 𝑥𝑖𝑛𝑖𝑡𝑖𝑎𝑙 = 𝑥𝑓𝑖𝑛𝑎𝑙 + (−𝑥𝑖𝑛𝑖𝑡𝑖𝑎𝑙)
∆𝑣 = 𝑣𝑓𝑖𝑛𝑎𝑙 − 𝑣𝑖𝑛𝑖𝑡𝑖𝑎𝑙 = 𝑣𝑓𝑖𝑛𝑎𝑙 + (−𝑣𝑖𝑛𝑖𝑡𝑖𝑎𝑙)
Velocity
𝑣 = ∆𝑥
𝑡= 𝑥2− 𝑥1
𝑡
𝑠𝑝𝑒𝑒𝑑 = 𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒
𝑡𝑖𝑚𝑒
Acceleration
𝑎 = ∆𝑣
𝑡= 𝑣2− 𝑣1
𝑡
Constant Acceleration
v = u + a t
𝑥 = u t + 1
2a t2
𝑥 = 1
2(u + v)t
v2 = u2 + 2a𝑥
𝑥 = v t − 1
2a t2
Newton’s second law
F
= m a
Weight
w
= m g
Momentum
𝑝 = 𝑚 𝑣
Impulse
I
= p
I
= F
𝑎𝑣𝑒 t
Torque
𝜏 = 𝑟 𝐹 sin𝜃
Work
Work = F 𝑥
Work = F 𝑥 cos
Work = E
Kinetic Energy
E𝐾 = 1
2 m v2
Hooke’s law
F = k 𝑥
