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SAT考试物理力学公式总结.

刚刚更新 编辑: 浏览次数:231 移动端

  对于参加SAT考试报名的同学来说,在备考的时候,一定要抓住要点,提高备考的效率,考试中有一些公式是常考的,同学们在备考的时候,可以总结一下,下面澳际教育小编给同学们介绍一下SAT考试的物理力学公式。

  SAT考试选择的科目有二十多种,那么SAT考试报名学生的选择也是因人而异,起作用不乏很多选择SAT物理的考生们,本文就为大家分享的是SAT物理力学公式的全部内容,供大家参考。

  Physics Formulas - Mechanics

  Kinematics Formulas

  The Kinematic Equations apply to one-dimmensional motion with costant acceleration from point 1, situated d1 from a point of rerence to point 2, situated d2 from the same point of rerence. v1 is the velocity at point 1 and v2 is the velocity at point 2.

  v2 = v1 + a?t

  d2 = d1 + (v1 + v2)?t/2

  d2 = d1 + v1?t + a?t2/2

  d2 = d1 + v2?t - a?t2/2

  v22 = v12 + 2a(d2 - d1)

  Average velocity: vav = Δd/Δt

  Average acceleration: aav = Δv/Δt

  Rotational kinematics equations with constant angular acceleration:

  ω2 = ω1 + α?t

  Φ2 = Φ1 + (ω1 + ω2)?t/2

  Φ2 = Φ1 + ω1?t + α?t2/2

  Φ2 = Φ1 + ω2?t - α?t2/2

  ω22 = ω12 + 2α(Φ2 - Φ1)

  Average angular velocity: ωav = Δθ/Δt

  Average angular acceleration: αav = Δω/Δt

  Frequency: f = ω/2π

  Period: T = 2π/ω

  Relations between angular and linear variables:

  l = Φ?r

  v = ω?r

  a = α?r

  Dynamics Formulas

  Pressure: P = F/A

  Newton's Second Law: F = m?a

  Force of kinetic friction: Ff = μ?N

  Hooke's Law: F = -k?x

  Centripetal Force: Fc = m?v2/R

  Centripetal acceleration: ac = v2/R

  Work, Energy, Conservation Laws Formulas

  Work: W = F ? d = Fdcos(α)

  Potential Energy: PE = m?g?h

  Kinetic Energy: KE = m?v2/2

  Mechanical Energy: E = KE + PE

  Instantaneous Power: P = F?v

  The Work-Energy Theorem: W = ΔKE

  Gravitation Formulas

  Newtonian gravity formula: Fg = G?m?M/R2

  Kepler's Third Law: T2/a3 = ct.

  本文澳际教育小编为各位考生整理了SAT考试的物理力学公式,掌握一些常用的考试公式可以提高做题效率,参加SAT考试报名的同学,可以来参考一下。

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