physical science cpht 3

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Author:
reganlsu1@yahoo.com
ID:
19390
Filename:
physical science cpht 3
Updated:
2010-05-15 21:55:38
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cpht
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Description:
chpt 3
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  1. acceleration due to gravity=
    9.8 m/s2
  2. the highest velocity that a falling object will reach
    terminal velocity
  3. acts on an objec that falls through the air
    air resistance
  4. air resistance depends on the ______, ______, and _______ of an object
    speed, size, and shape
  5. the net force acting on an object causes the object to accelerate in the direction of the net force
    newtons 2nd law
  6. formula for force=
    f=ma
  7. source of friction; area of high bumps
    microwelds
  8. force directed toward the center of the circle for an object moving in a circular motion
    centripital force
  9. because of earth's gravitational pull and their own inertia, projectiles follw a _____ path.
    curved
  10. gravity depends on the ______ of an object and the ________ between 2 objects
    size and distance
  11. product of an objects mass and velocity
    momentum
  12. formula for momentum=
    p=mv

    (kg m/s)
  13. "to every action there is an equal and opposite reaction"
    newtons third law

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