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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. Constant acceleration (no time)
Momentum is conserved - Kinetic energy is not conserved
v=v0+2a?x
?F=ma
t=?F??r

2. Torque
f=1/T
t=?F??r
?=v(k/m)
If ?F=0 then ?p=0

3. Potential energy (spring)
PE=kx
t=?F??r
?F=0 ?t=0
W=?F

4. Shells
I=mr
W=?t????
a=-?Acos(?t+?)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

5. Rotational Inertia
?a??b=ABsin?
I=mr
?=v/r
PE=mgh

6. Angular velocity (pendulum SHM)
f=1/T
?=v(g/L)
a=-?Acos(?t+?)
s=?r

7. Parellel axis theorem
I=I0+mh
s=?r
a=a/r
mdx/dt=-kx

8. Constant circular acceleration (position)
t=?F??r
F=-kx
??=?t+at
Work done is dependent on path taken - Frictional force - most applied forces

9. Arc length
F=FN
?=?0+2a??
s=?r
W=?F???x

10. Mechanical energy (SHM)
t=?F??r
t=?L/?t
ME=kA
I=I0+mh

11. Constant circular acceleration (no time)
W=?F???x
?=?0+2a??
PE=mgh
L=I?

12. Work (angular)
Momentum is conserved - Kinetic energy is not conserved
PE=-GMm/r
a=-?Acos(?t+?)
W=?t????

13. Dot product
t=?L/?t
?a??b=ABcos?
Only acting force is gravity - Apparent 'weightlessness'
Work done is dependent on path taken - Frictional force - most applied forces

14. Kinetic energy (rotational)
KE=I?
s=?r
PE=kx
W=?F???x

15. Constant acceleration (position)
J=?F
?x=vt+at
KE=I?
??=at

16. Inelastic collisions
F=mv/r
Momentum is conserved - Kinetic energy is not conserved
If ?F=0 then ?p=0
??=at

17. Gravity
?v=at
-dMu=Mdv
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
g=9.8m/s g=32ft/s

18. Spring force
F=-kx
a=a/r
If ?F=0 then ?p=0
PE=kx

19. Impulse (integral)
J=?F
?=?0+2a??
If ?F=0 then ?p=0
Momentum is conserved - Kinetic energy is not conserved

20. Constant acceleration (velocity)
?=v/r
PE=mgh
f=1/T
?v=at

21. Work (integral)
?F=0 ?t=0
W=?F
ME=kA
L=I?

22. Rockets
?=v/r
??=?t+at
-dMu=Mdv
?=v(k/m)

23. Work (kinetic energy)
F=-kx
W=?KE
F=FN
Momentum is conserved - Kinetic energy is not conserved

24. Kinetic energy
t=?F??r
I=mr
KE=mv
?J=??p

25. Rotational inertia (sphere)
f=1/T
I=?mr
x=Acos(?t+?)
v=v0+2a?x

26. Force (momentum)
?t=Ia
v=v0+2a?x
?=v/r
F=?p/?t

27. Conservative forces
Work done is irrespective of path taken - Spring force - gravitational force
mdx/dt=-kx
Momentum is conserved - Kinetic energy is not conserved
??=?t+at

28. Cross product
?F=ma
?=?0+2a??
J=?F
?a??b=ABsin?

29. Impulse
??=at
F=-GMm/r
?a??b=ABsin?
?J=??p

30. Simple harmonic motion (position)
?=v(g/L)
x=Acos(?t+?)
??=at
t=?F??r

31. Freefall
F=FN
W=?F
Only acting force is gravity - Apparent 'weightlessness'
mdx/dt=-kx

32. Angular velocity
?=v/r
Work done is irrespective of path taken - Spring force - gravitational force
I=I0+mh
?=v(g/L)

33. Frictional force
F=?p/?t
F=FN
?a??b=ABsin?
??=at

34. Conservation of momentum
a=-?Acos(?t+?)
If ?F=0 then ?p=0
-dMu=Mdv
KE=mv

35. Differential equation of motion (spring SHM)
g=9.8m/s g=32ft/s
?t=Ia
mdx/dt=-kx
PE=-GMm/r

36. Gravitational force
F=-GMm/r
?x=vt+at
I=I0+mh
If ?F=0 then ?p=0

37. Torque (force analog)
t=?F??r
?t=Ia
L=I?
a=a/r

38. Elastic collisions
F=FN
?t=Ia
Momentum is conserved - Kinetic energy is conserved
Work done is irrespective of path taken - Spring force - gravitational force

39. Non-conservative forces
Work done is dependent on path taken - Frictional force - most applied forces
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?t=Ia
F=-GMm/r

40. Angular momentum
v=v0+2a?x
?v=at
L=I?
??=at

41. Gravitational potential energy
a=a/r
PE=-GMm/r
Work done is irrespective of path taken - Spring force - gravitational force
KE=mv

42. Angular acceleration
a=a/r
?=?0+2a??
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
Momentum is conserved - Kinetic energy is not conserved

43. Angular velocity (spring SHM)
t=?F??r
Only acting force is gravity - Apparent 'weightlessness'
?=v(k/m)
I=mr

44. Torque (angular momentum)
v=-?Acos(?t+?)
?t=Ia
?F=ma
t=?L/?t

45. Equilibrium
?=?0+2a??
??=?t+at
?t=Ia
?F=0 ?t=0

46. Rotational inertia (disc)
a=a/r
F=FN
?v=at
I=mr

47. Work
s=?r
W=?F???x
?F=0 ?t=0
mdx/dt=-kx

48. Simple harmonic motion (acceleration)
Work done is dependent on path taken - Frictional force - most applied forces
F=-kx
KE=mv
a=-?Acos(?t+?)

49. Force
?=v(g/L)
?=?0+2a??
t=?L/?t
?F=ma

50. Angular position
Work done is dependent on path taken - Frictional force - most applied forces
g=9.8m/s g=32ft/s
mdx/dt=-kx
?=x/r

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AP Physics C: Mechanics

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