Physics vocab

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Author:
alipeace11
ID:
158015
Filename:
Physics vocab
Updated:
2012-06-10 06:56:54
Tags:
physics
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physics
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  1. Newton's second law
    a=Fn/m
  2. work
    applying a force on something over a distance
  3. is work a vector or scalar?
    scalar
  4. power
    the rate you do work
  5. is power a vector or scalar?
    scalar
  6. what must change when work is done?
    energy
  7. What does work/energy tell you about a collision?
    how much damage is done
  8. impulse
    applying force on an object over time
  9. is impulse a vector or scalar?
    vector
  10. What does impulse change?
    momentum
  11. momentum
    fundamental quality of mass
  12. what are the four types of collisions?
    • elsatic
    • inelastic
    • perfectly inelastic
    • super-elastic
  13. what do the four types of collisions have in common?
    no momentum is lost
  14. How do the four types of collisions differ?
    • elastic- no KE lost
    • inelastic- KE lost
    • perfectly inelastic- max KE lost
    • superelastic- KE gained
  15. Newton
    understood how to use the force of gravity& that it is universal
  16. Einstein
    • (WHY)
    • Gavity is a warp in the fabric of space
  17. momentum tells you how much a collision will _____
    hurt

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