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AP Physics C: Mechanics

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Torque
t=?F??r
?t=Ia
?x=vt+½at²
I=½mr²

2. Freefall

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3. Work (angular)
?²=?0²+2a??
Work done is irrespective of path taken - Spring force - gravitational force
W=?t????
md²x/dt²=-kx

4. Non-conservative forces
?t=Ia
Work done is dependent on path taken - Frictional force - most applied forces
f=1/T
F=mv²/r

5. Impulse
??=?t+½at²
?x=vt+½at²
Momentum is conserved - Kinetic energy is not conserved
?J=??p

6. Angular acceleration
?F=ma
F=mv²/r
f=1/T
a=a/r

7. Angular position
?=x/r
a=a/r
W=?KE
KE=½mv²

8. Angular momentum
KE=½mv²
F=?p/?t
L=I?
v²=v0²+2a?x

9. Dot product
?a??b=ABcos?
?F=ma
Momentum is conserved - Kinetic energy is not conserved
?F=0 ?t=0

10. Rotational Inertia
v=-?Acos(?t+?)
PE=mgh
I=mr²
?t=Ia

11. Constant acceleration (no time)
v²=v0²+2a?x
?²=?0²+2a??
?t=Ia
PE=mgh

12. Work
Work done is irrespective of path taken - Spring force - gravitational force
W=?KE
W=?F???x
?²=?0²+2a??

13. Mechanical energy (SHM)
Momentum is conserved - Kinetic energy is not conserved
ME=½kA²
I=½mr²
a=-?²Acos(?t+?)

14. Rockets
-dMu=Mdv
t=?L/?t
F=?p/?t
F=µFN

15. Work (kinetic energy)
md²x/dt²=-kx
PE=mgh
Momentum is conserved - Kinetic energy is conserved
W=?KE

16. Gravity
W=?t????
g=9.8m/s² g=32ft/s²
Only acting force is gravity - Apparent 'weightlessness'
I=½mr²

17. Force (momentum)
F=?p/?t
I=mr²
J=?F
F=-GMm/r²

18. Rotational inertia (sphere)
ME=½kA²
I=?mr²
I=mr²
If ?F=0 then ?p=0

19. Shells
Momentum is conserved - Kinetic energy is not conserved
v²=v0²+2a?x
W=?KE
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

20. Potential energy (gravity)
?F=0 ?t=0
PE=½kx
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
PE=mgh

21. Elastic collisions
Momentum is conserved - Kinetic energy is conserved
-dMu=Mdv
PE=mgh
?a??b=ABcos?

22. Constant acceleration (velocity)
?a??b=ABsin?
?v=at
?=x/r
?=v/r

23. Constant circular acceleration (no time)
F=?p/?t
F=-kx
t=?L/?t
?²=?0²+2a??

24. Conservation of momentum
Only acting force is gravity - Apparent 'weightlessness'
x=Acos(?t+?)
?=v(g/L)
If ?F=0 then ?p=0

25. Spring force
F=-kx
Only acting force is gravity - Apparent 'weightlessness'
Work done is irrespective of path taken - Spring force - gravitational force
?=v(g/L)

26. Angular velocity (pendulum SHM)
?=v(g/L)
s=?r
F=mv²/r
PE=mgh

27. Cross product
g=9.8m/s² g=32ft/s²
f=1/T
??=?t+½at²
?a??b=ABsin?

28. Kinetic energy (rotational)
KE=½I?²
Only acting force is gravity - Apparent 'weightlessness'
a=a/r
W=?t????

29. Equilibrium
?F=0 ?t=0
I=½mr²
?J=??p
Work done is irrespective of path taken - Spring force - gravitational force

30. Simple harmonic motion (position)
?=x/r
I=mr²
ME=½kA²
x=Acos(?t+?)

31. Gravitational potential energy
a=-?²Acos(?t+?)
L=I?
KE=½I?²
PE=-GMm/r

32. Frictional force
F=µFN
W=?F
?F=ma
I=?mr²

33. Constant circular acceleration (velocity)
s=?r
W=?t????
g=9.8m/s² g=32ft/s²
??=at

34. Impulse (integral)
g=9.8m/s² g=32ft/s²
?F=ma
-dMu=Mdv
J=?F

35. Inelastic collisions
Momentum is conserved - Kinetic energy is not conserved
KE=½I?²
I=mr²
Only acting force is gravity - Apparent 'weightlessness'

36. Gravitational force
x=Acos(?t+?)
?=v(k/m)
?v=at
F=-GMm/r²

37. Torque (force analog)
Momentum is conserved - Kinetic energy is conserved
?²=?0²+2a??
I=I0+mh²
?t=Ia

38. Simple harmonic motion (acceleration)
g=9.8m/s² g=32ft/s²
Work done is dependent on path taken - Frictional force - most applied forces
PE=-GMm/r
a=-?²Acos(?t+?)

39. Angular velocity (spring SHM)
PE=½kx
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?=v(k/m)
v²=v0²+2a?x

40. Angular velocity
?=v(g/L)
a=-?²Acos(?t+?)
?=v/r
g=9.8m/s² g=32ft/s²

41. Force
F=-GMm/r²
F=µFN
J=?F
?F=ma

42. Parellel axis theorem
?F=ma
I=I0+mh²
t=?F??r
a=-?²Acos(?t+?)

43. Work (integral)
F=µFN
?=v(g/L)
W=?F
?=v/r

44. Kinetic energy
KE=½mv²
?t=Ia
F=-kx
a=-?²Acos(?t+?)

45. Potential energy (spring)
KE=½mv²
F=µFN
x=Acos(?t+?)
PE=½kx

46. Rotational inertia (disc)
If ?F=0 then ?p=0
L=I?
W=?F???x
I=½mr²

47. Simple harmonic motion (velocity)
t=?L/?t
??=at
v=-?Acos(?t+?)
?=x/r

48. Frequency/Period
KE=½I?²
??=at
KE=½mv²
f=1/T

49. Constant circular acceleration (position)
I=?mr²
I=mr²
??=?t+½at²
md²x/dt²=-kx

50. Constant acceleration (position)
?v=at
ME=½kA²
I=I0+mh²
?x=vt+½at²