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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. Angular momentum
Only acting force is gravity - Apparent 'weightlessness'
L=I?
?J=??p
If ?F=0 then ?p=0

2. Kinetic energy (rotational)
Work done is dependent on path taken - Frictional force - most applied forces
v²=v0²+2a?x
PE=½kx
KE=½I?²

3. Simple harmonic motion (velocity)
Work done is dependent on path taken - Frictional force - most applied forces
v=-?Acos(?t+?)
PE=-GMm/r
?F=0 ?t=0

4. Force (radial)
F=mv²/r
g=9.8m/s² g=32ft/s²
Only acting force is gravity - Apparent 'weightlessness'
?F=ma

5. Angular acceleration
a=a/r
I=?mr²
I=I0+mh²
?=v/r

6. Angular velocity (pendulum SHM)
?=v(g/L)
?x=vt+½at²
?²=?0²+2a??
?v=at

7. Impulse
?=v(k/m)
J=?F
?J=??p
-dMu=Mdv

8. Torque
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
F=µFN
?x=vt+½at²
t=?F??r

9. Rotational inertia (disc)
I=?mr²
I=½mr²
?x=vt+½at²
s=?r

10. Frequency/Period
??=at
?F=ma
f=1/T
If ?F=0 then ?p=0

11. Arc length
t=?F??r
F=µFN
?x=vt+½at²
s=?r

12. Frictional force
v=-?Acos(?t+?)
KE=½I?²
F=µFN
Work done is dependent on path taken - Frictional force - most applied forces

13. Gravitational force
t=?F??r
Work done is dependent on path taken - Frictional force - most applied forces
F=-GMm/r²
?J=??p

14. Work (kinetic energy)
J=?F
?=x/r
W=?KE
?F=ma

15. Rotational inertia (sphere)
?=x/r
J=?F
I=?mr²
??=?t+½at²

16. Angular velocity (spring SHM)
?=v(k/m)
PE=-GMm/r
ME=½kA²
F=?p/?t

17. Potential energy (spring)
?=v(g/L)
PE=½kx
Only acting force is gravity - Apparent 'weightlessness'
Momentum is conserved - Kinetic energy is conserved

18. Gravitational potential energy
?=v(k/m)
PE=-GMm/r
a=a/r
Only acting force is gravity - Apparent 'weightlessness'

19. Freefall

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20. Kinetic energy
KE=½mv²
PE=½kx
?=v(g/L)
t=?F??r

21. Constant acceleration (no time)
W=?F???x
J=?F
If ?F=0 then ?p=0
v²=v0²+2a?x

22. Angular position
?=x/r
t=?L/?t
?F=0 ?t=0
Work done is dependent on path taken - Frictional force - most applied forces

23. Spring force
W=?KE
x=Acos(?t+?)
I=?mr²
F=-kx

24. Torque (force analog)
?t=Ia
Momentum is conserved - Kinetic energy is conserved
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
t=?L/?t

25. Constant circular acceleration (velocity)
-dMu=Mdv
W=?F
??=at
?x=vt+½at²

26. Conservation of momentum
PE=mgh
If ?F=0 then ?p=0
Momentum is conserved - Kinetic energy is not conserved
W=?KE

27. Dot product
?a??b=ABcos?
F=mv²/r
KE=½I?²
PE=-GMm/r

28. Simple harmonic motion (position)
x=Acos(?t+?)
??=?t+½at²
I=½mr²
?=v(g/L)

29. Work (angular)
W=?t????
?F=0 ?t=0
??=at
Work done is irrespective of path taken - Spring force - gravitational force

30. Constant acceleration (position)
?F=0 ?t=0
s=?r
I=mr²
?x=vt+½at²

31. Rockets
a=-?²Acos(?t+?)
md²x/dt²=-kx
?J=??p
-dMu=Mdv

32. Work
W=?F???x
F=mv²/r
?=v/r
x=Acos(?t+?)

33. Constant circular acceleration (no time)
W=?F
?a??b=ABcos?
?²=?0²+2a??
F=mv²/r

34. Work (integral)
I=mr²
W=?F
F=?p/?t
KE=½mv²

35. Force
?F=ma
f=1/T
x=Acos(?t+?)
?v=at

36. Angular velocity
?=v/r
F=mv²/r
a=a/r
?v=at

37. Parellel axis theorem
ME=½kA²
I=I0+mh²
??=at
?t=Ia

38. Simple harmonic motion (acceleration)
??=at
a=a/r
KE=½mv²
a=-?²Acos(?t+?)

39. Equilibrium
?F=0 ?t=0
F=-GMm/r²
?x=vt+½at²
v=-?Acos(?t+?)

40. Cross product
?v=at
?a??b=ABsin?
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?a??b=ABcos?

41. Non-conservative forces
Work done is dependent on path taken - Frictional force - most applied forces
W=?KE
J=?F
??=?t+½at²

42. Force (momentum)
F=?p/?t
KE=½I?²
?J=??p
?=x/r

43. Constant acceleration (velocity)
?v=at
W=?F
t=?L/?t
KE=½mv²

44. Elastic collisions
L=I?
PE=-GMm/r
?t=Ia
Momentum is conserved - Kinetic energy is conserved

45. Differential equation of motion (spring SHM)
PE=mgh
?²=?0²+2a??
PE=-GMm/r
md²x/dt²=-kx

46. Gravity
?=v(k/m)
-dMu=Mdv
?x=vt+½at²
g=9.8m/s² g=32ft/s²

47. Potential energy (gravity)
Momentum is conserved - Kinetic energy is conserved
F=?p/?t
Work done is dependent on path taken - Frictional force - most applied forces
PE=mgh

48. Impulse (integral)
If ?F=0 then ?p=0
J=?F
F=-GMm/r²
Momentum is conserved - Kinetic energy is conserved

49. Mechanical energy (SHM)
??=?t+½at²
md²x/dt²=-kx
ME=½kA²
f=1/T

50. Shells
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
If ?F=0 then ?p=0
?v=at
a=-?²Acos(?t+?)