Physic equations

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  1. What is the equation for momentum?
    p=mv or ma
  2. What is the equation for energy?
    E=Pt
  3. What is this equation used for?
    P=F⁄A
    Pressure
  4. What is this equation used for?
    M=fd
    Moment of a force
  5. What is the equation for mechanical advantage?
    • MA=output
    •        input
  6. What are the equations of motion?
    • v= u+at
    • s= ½(u+v)t
    • s=ut +½at²
    • v²= u² +2as
  7. What are the equations for kinetic and potential energy?
    • EK= ½mv²
    • EP= mgh
  8. What is the equation for density?
    density(rho)=mass⁄Volume
  9. What is hookes law and what are the units and symbols?
    • F=ke
    • F= force(N)
    • k= spring constant(N/m)
    • e= extension of spring(m)
  10. What is the equation for weight?
    W= mg
  11. What is this equation used for?
    a=v-u/t
    acceleration
  12. What are the equations for efficiency?
    • Efficiency(%)= work output
    •                       energy input
    • Efficiencyw/o% = work output
    •                          energy input
    • Efficiency= power output
    •                  power input
  13. What is the equation for power?
    • P=work done(fd)
    •         time
  14. What are the equations for relative density?
    • relative density(ρ⋎) = mass of substance
    •                           mass of water
    • relative density = density of substance
    •                           density of water
  15. What is this equation used for?
    v=m
         s
    velocity
  16. What is the equation for impulse?
    Ft = mv
  17. What is the equation for pressure in liquid?
    ρgh
  18. What is the equation for work done?
    work done = fd

Card Set Information

Author:
giavanna14
ID:
314349
Filename:
Physic equations
Updated:
2017-03-28 23:48:06
Tags:
equations physics
Folders:
sciences
Description:
equations used in physics
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