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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. Impulse
Only acting force is gravity - Apparent 'weightlessness'
Work done is irrespective of path taken - Spring force - gravitational force
?J=??p
Work done is dependent on path taken - Frictional force - most applied forces

2. Torque (angular momentum)
??=?t+½at²
?=v(k/m)
v²=v0²+2a?x
t=?L/?t

3. Frequency/Period
x=Acos(?t+?)
?=v/r
Momentum is conserved - Kinetic energy is conserved
f=1/T

4. Constant acceleration (no time)
?v=at
Work done is dependent on path taken - Frictional force - most applied forces
v²=v0²+2a?x
?a??b=ABsin?

5. Non-conservative forces
?a??b=ABcos?
?t=Ia
-dMu=Mdv
Work done is dependent on path taken - Frictional force - most applied forces

6. Differential equation of motion (spring SHM)
F=-kx
md²x/dt²=-kx
?t=Ia
Momentum is conserved - Kinetic energy is conserved

7. Parellel axis theorem
g=9.8m/s² g=32ft/s²
I=I0+mh²
Work done is irrespective of path taken - Spring force - gravitational force
a=-?²Acos(?t+?)

8. Rotational inertia (sphere)
I=?mr²
?v=at
t=?F??r
?=v/r

9. Mechanical energy (SHM)
?=x/r
Only acting force is gravity - Apparent 'weightlessness'
ME=½kA²
??=at

10. Rotational Inertia
J=?F
??=?t+½at²
-dMu=Mdv
I=mr²

11. Rotational inertia (disc)
L=I?
Momentum is conserved - Kinetic energy is not conserved
v=-?Acos(?t+?)
I=½mr²

12. Angular acceleration
W=?F
a=a/r
?=v(g/L)
?F=0 ?t=0

13. Potential energy (gravity)
?v=at
PE=½kx
PE=mgh
?a??b=ABsin?

14. Force (radial)
?a??b=ABcos?
F=mv²/r
t=?F??r
?a??b=ABsin?

15. Work (angular)
t=?L/?t
KE=½mv²
W=?t????
F=?p/?t

16. Torque
?t=Ia
W=?KE
t=?F??r
f=1/T

17. Constant acceleration (position)
W=?F
?a??b=ABsin?
I=½mr²
?x=vt+½at²

18. Simple harmonic motion (acceleration)
x=Acos(?t+?)
I=½mr²
a=-?²Acos(?t+?)
?=v(g/L)

19. Work
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
W=?F???x
L=I?
Work done is dependent on path taken - Frictional force - most applied forces

20. Torque (force analog)
?F=ma
?=v/r
??=?t+½at²
?t=Ia

21. Kinetic energy (rotational)
?a??b=ABsin?
W=?F???x
F=?p/?t
KE=½I?²

22. Work (kinetic energy)
v²=v0²+2a?x
?F=ma
Momentum is conserved - Kinetic energy is conserved
W=?KE

23. Gravity
v²=v0²+2a?x
g=9.8m/s² g=32ft/s²
v=-?Acos(?t+?)
I=I0+mh²

24. Dot product
F=-GMm/r²
W=?F
?a??b=ABcos?
t=?L/?t

25. Constant circular acceleration (velocity)
PE=mgh
??=at
v²=v0²+2a?x
F=µFN

26. Potential energy (spring)
I=½mr²
PE=mgh
PE=½kx
J=?F

27. Gravitational potential energy
??=?t+½at²
?x=vt+½at²
PE=-GMm/r
I=I0+mh²

28. Angular velocity (spring SHM)
F=-GMm/r²
?J=??p
?=v(k/m)
W=?KE

29. Equilibrium
?F=0 ?t=0
?J=??p
?a??b=ABcos?
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

30. Shells
PE=½kx
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
x=Acos(?t+?)
g=9.8m/s² g=32ft/s²

31. Inelastic collisions
I=I0+mh²
KE=½I?²
v²=v0²+2a?x
Momentum is conserved - Kinetic energy is not conserved

32. Constant circular acceleration (no time)
KE=½mv²
?²=?0²+2a??
?t=Ia
F=µFN

33. Gravitational force
F=-GMm/r²
?=v(k/m)
PE=-GMm/r
?v=at

34. Freefall

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35. Arc length
s=?r
?a??b=ABcos?
W=?KE
x=Acos(?t+?)

36. Constant circular acceleration (position)
g=9.8m/s² g=32ft/s²
?F=0 ?t=0
v=-?Acos(?t+?)
??=?t+½at²

37. Impulse (integral)
v=-?Acos(?t+?)
J=?F
I=?mr²
?=v(k/m)

38. Spring force
?a??b=ABsin?
?a??b=ABcos?
L=I?
F=-kx

39. Rockets
J=?F
?=x/r
KE=½mv²
-dMu=Mdv

40. Cross product
?a??b=ABsin?
F=?p/?t
L=I?
a=a/r

41. Simple harmonic motion (velocity)
W=?F???x
F=-kx
v=-?Acos(?t+?)
F=µFN

42. Angular velocity (pendulum SHM)
?=v(g/L)
J=?F
?a??b=ABcos?
If ?F=0 then ?p=0

43. Frictional force
F=µFN
?=v(k/m)
?a??b=ABcos?
Momentum is conserved - Kinetic energy is not conserved

44. Angular velocity
a=a/r
s=?r
v²=v0²+2a?x
?=v/r

45. Elastic collisions
?F=0 ?t=0
Work done is irrespective of path taken - Spring force - gravitational force
Momentum is conserved - Kinetic energy is conserved
??=?t+½at²

46. Force
?J=??p
a=-?²Acos(?t+?)
?F=ma
a=a/r

47. Kinetic energy
?a??b=ABsin?
md²x/dt²=-kx
KE=½mv²
I=?mr²

48. Constant acceleration (velocity)
f=1/T
??=at
?v=at
Momentum is conserved - Kinetic energy is not conserved

49. Angular position
?=x/r
t=?F??r
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
PE=mgh

50. Simple harmonic motion (position)
J=?F
x=Acos(?t+?)
W=?F???x
s=?r