AS Physics Equations 2.5 / 5 based on 2 ratings ? PhysicsMaterialsMechanicsASEdexcel Created by: BryonyCreated on: 10-02-14 10:33 Resolving a vector: horizontal component Vx = vCos(θ) 1 of 24 Resolving a vector: vertical component Vy = vSin(θ) 2 of 24 SUVAT: no S v = u + at 3 of 24 SUVAT: no U s = vt – ½at2 4 of 24 SUVAT: no V s = ut + ½at2 5 of 24 SUVAT: no A s = ((u + v)/2)t 6 of 24 SUVAT: no T v2 = u2 + 2as 7 of 24 Velocity Change in displacement / time taken 8 of 24 Acceleration Change in velocity / time taken 9 of 24 Weight mass x gravitational field strength 10 of 24 Density mass / volume 11 of 24 Resultant force (N) mass (kg) x acceleration (ms^-2) 12 of 24 Work done force causing motion x distance moved 13 of 24 Power work done / time 14 of 24 Power force x velocity 15 of 24 Kinetic energy Ek = ½mv^2 16 of 24 Gravitational potential energy ΔEp = mgΔh 17 of 24 Elastic potential energy E = ½ke^2 18 of 24 Hooke's law F = ke 19 of 24 Stress force applied / cross-sectional area 20 of 24 Strain change in length / original length 21 of 24 Young Modulus (E) (Force x initial Length) / (Extension x cross-sectional area) 22 of 24 Stoke's Law F = 6πηrv 23 of 24 Upthrust Weight of fluid displaced 24 of 24
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