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MCAT PHYSICS 1

  1. Newtons 3 laws of motion
    • 1.a body at rest stays at rest, a body in motion stay in motion (straight line) unless outside force acts upon it.
    • 2.F=ma
    • 3.for every force there is an equal and opposite force.
  2. (t/f) a body in translational equilibrium has a net force moving it at a constant velocity
    false, a body at translational equilibrium has zero net force
  3. formula for torque
    torque=rFsin()
  4. when calculating torque, what direction is positive, what is negative
    counterclockwise is positive, clockwise is negative
  5. formula for centripetal acceleration
    a=v2/r
  6. formula for centripetal force
    F=ma or F=mv2/r
  7. formula for work
    • W=Fdcos()
    • from pressure (isobaric process):
    • W=P(Vf-Vi)
  8. units for work and energy?
    joule (kg-m2/s2)
  9. formula for mechanical kinetic energy? gravitational potential energy?
    KE=mv2/2

    U=mgh
  10. formula for momentum
    p=mv
  11. formula for impulse?
    delta p or j=Ft=mv-mv0
  12. formula for center of mass for m1 and m2 at x1 and x2
    X=(m1x1+m2x2)/(m1+m2)
  13. (t/f) kinetic energy is conserved in a completely elastic collision
    true
  14. (t/f) momentum is not conserved in a inelastic collision
    false, momentum is conserved in both elastic and inelastic collisions
  15. formula for heat gained and temperature change
    • Q=mc(Tf-Ti)
    • c-specific heat
  16. what is heat of fusion
    energy required for phase change from solid to liquid
  17. formula for heat gained or lost during phase change
    • Q=mL
    • L-heat of transformation
  18. formula for first law of thermodynamic
    delta U=heat energy gained-work done by the system
  19. 2nd law of thermodynamic
    entropy of a closed system will either increase or remain unchanged
  20. density of water
    1000 kg/m3 or 1g/cm3
  21. formula for pressure
    P=F/A
  22. formula for absolute pressure
    P=surface pressure+density*gravity*depth
  23. what is gauge pressure
    pressure in excess to atmospheric pressure
  24. formula for buoyant force
    Fb=density*g*V
  25. a pipe of varying cross sections, how do fluid velocity and cross section area related?
    A1V1=A2V2
  26. formula for Young's modulus
    Y=stress/strain

    • stress (F/A)
    • strain (delta L/L)
  27. Coulomb's law
    F=kq1q2/r2
  28. formula for electric field (E) at a distance (r) from a charge (q)
    E=kq/r2
  29. formula for force that a charge (q) experience in a electric field (E)
    F=qE

    since E=F/q
  30. unit for electric field
    Newton/Coulomb

    or Volt/meter
Author
Anonymous
ID
59679
Card Set
MCAT PHYSICS 1
Description
studying to be a docnform
Updated

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