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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 acceleration
v=-?Acos(?t+?)
PE=½kx
a=a/r
J=?F

2. Force (momentum)
F=?p/?t
I=I0+mh²
Work done is dependent on path taken - Frictional force - most applied forces
?t=Ia

3. Mechanical energy (SHM)
Work done is dependent on path taken - Frictional force - most applied forces
ME=½kA²
a=a/r
W=?KE

4. Frictional force
I=½mr²
F=µFN
Work done is dependent on path taken - Frictional force - most applied forces
Work done is irrespective of path taken - Spring force - gravitational force

5. Frequency/Period
?=v/r
f=1/T
F=µFN
I=I0+mh²

6. Spring force
F=-GMm/r²
F=-kx
KE=½mv²
F=mv²/r

7. Conservation of momentum
W=?F???x
t=?F??r
If ?F=0 then ?p=0
a=a/r

8. Constant circular acceleration (no time)
?a??b=ABsin?
t=?L/?t
Momentum is conserved - Kinetic energy is not conserved
?²=?0²+2a??

9. Constant acceleration (position)
a=-?²Acos(?t+?)
I=½mr²
?x=vt+½at²
?F=ma

10. Arc length
s=?r
t=?F??r
ME=½kA²
Work done is dependent on path taken - Frictional force - most applied forces

11. Non-conservative forces
s=?r
Work done is dependent on path taken - Frictional force - most applied forces
KE=½I?²
?a??b=ABsin?

12. Impulse (integral)
J=?F
t=?F??r
I=?mr²
I=I0+mh²

13. Dot product
F=µFN
?a??b=ABcos?
v=-?Acos(?t+?)
a=-?²Acos(?t+?)

14. Torque
PE=½kx
?=v/r
t=?F??r
s=?r

15. Rotational inertia (disc)
KE=½I?²
I=½mr²
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
I=mr²

16. Simple harmonic motion (position)
?=v(k/m)
I=½mr²
Momentum is conserved - Kinetic energy is conserved
x=Acos(?t+?)

17. Conservative forces
PE=-GMm/r
I=I0+mh²
Work done is irrespective of path taken - Spring force - gravitational force
?J=??p

18. Simple harmonic motion (acceleration)
a=-?²Acos(?t+?)
I=?mr²
If ?F=0 then ?p=0
Momentum is conserved - Kinetic energy is conserved

19. Gravitational force
KE=½I?²
F=µFN
L=I?
F=-GMm/r²

20. Angular velocity
?=v(k/m)
g=9.8m/s² g=32ft/s²
v=-?Acos(?t+?)
?=v/r

21. Work
?²=?0²+2a??
W=?KE
I=I0+mh²
W=?F???x

22. Constant acceleration (velocity)
KE=½I?²
W=?F???x
?v=at
I=I0+mh²

23. Potential energy (gravity)
PE=mgh
Momentum is conserved - Kinetic energy is not conserved
?=v(k/m)
I=?mr²

24. Angular momentum
x=Acos(?t+?)
L=I?
a=a/r
s=?r

25. Angular velocity (pendulum SHM)
md²x/dt²=-kx
?=v(g/L)
?=x/r
PE=-GMm/r

26. Differential equation of motion (spring SHM)
PE=½kx
md²x/dt²=-kx
I=mr²
W=?F

27. Inelastic collisions
Momentum is conserved - Kinetic energy is not conserved
J=?F
v=-?Acos(?t+?)
I=I0+mh²

28. Work (kinetic energy)
?a??b=ABsin?
I=½mr²
W=?KE
?=v(k/m)

29. Shells
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?²=?0²+2a??
?J=??p
Work done is irrespective of path taken - Spring force - gravitational force

30. Simple harmonic motion (velocity)
Momentum is conserved - Kinetic energy is not conserved
v=-?Acos(?t+?)
KE=½mv²
F=-GMm/r²

31. Torque (angular momentum)
t=?L/?t
a=-?²Acos(?t+?)
Work done is dependent on path taken - Frictional force - most applied forces
a=a/r

32. Kinetic energy
?=v(k/m)
x=Acos(?t+?)
KE=½mv²
F=µFN

33. Equilibrium
a=-?²Acos(?t+?)
?F=0 ?t=0
W=?F
Only acting force is gravity - Apparent 'weightlessness'

34. Force
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
t=?L/?t
?F=ma
?F=0 ?t=0

35. Kinetic energy (rotational)
J=?F
W=?F???x
?=v(g/L)
KE=½I?²

36. Freefall

37. Constant circular acceleration (position)
?F=0 ?t=0
??=?t+½at²
Momentum is conserved - Kinetic energy is conserved
g=9.8m/s² g=32ft/s²

38. Parellel axis theorem
I=I0+mh²
W=?t????
KE=½I?²
PE=-GMm/r

39. Angular position
F=?p/?t
I=I0+mh²
?F=ma
?=x/r

40. Work (integral)
F=?p/?t
??=at
W=?F
W=?F???x

41. Cross product
Work done is dependent on path taken - Frictional force - most applied forces
?a??b=ABsin?
?x=vt+½at²
L=I?

42. Constant acceleration (no time)
v²=v0²+2a?x
s=?r
?=x/r
I=?mr²

43. Elastic collisions
?v=at
Momentum is conserved - Kinetic energy is conserved
Work done is irrespective of path taken - Spring force - gravitational force
?F=0 ?t=0

44. Constant circular acceleration (velocity)
W=?KE
??=at
F=mv²/r
t=?L/?t

45. Gravity
F=mv²/r
F=µFN
KE=½I?²
g=9.8m/s² g=32ft/s²

46. Potential energy (spring)
KE=½I?²
?v=at
PE=½kx
?F=ma

47. Rotational Inertia
I=mr²
?x=vt+½at²
?F=0 ?t=0
Only acting force is gravity - Apparent 'weightlessness'

48. Rockets
?a??b=ABsin?
v=-?Acos(?t+?)
?F=ma
-dMu=Mdv

49. Gravitational potential energy
md²x/dt²=-kx
Work done is irrespective of path taken - Spring force - gravitational force
PE=-GMm/r
?²=?0²+2a??

50. Rotational inertia (sphere)
F=-kx
Work done is dependent on path taken - Frictional force - most applied forces
I=?mr²
?=v(k/m)