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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. Force
-dMu=Mdv
?F=ma
?=v(g/L)
x=Acos(?t+?)

2. Angular velocity (pendulum SHM)
?=v(g/L)
PE=mgh
Work done is dependent on path taken - Frictional force - most applied forces
KE=mv

3. Constant acceleration (position)
?=v(g/L)
?x=vt+at
t=?F??r
?J=??p

4. Force (radial)
F=mv/r
?F=0 ?t=0
a=a/r
?=v/r

5. Work (kinetic energy)
f=1/T
t=?F??r
W=?KE
KE=I?

6. Simple harmonic motion (velocity)
mdx/dt=-kx
PE=-GMm/r
Momentum is conserved - Kinetic energy is not conserved
v=-?Acos(?t+?)

7. Torque
KE=I?
If ?F=0 then ?p=0
?x=vt+at
t=?F??r

8. Constant circular acceleration (no time)
Momentum is conserved - Kinetic energy is conserved
F=FN
?v=at
?=?0+2a??

9. Dot product
s=?r
W=?t????
?a??b=ABcos?
PE=kx

10. Constant circular acceleration (position)
?a??b=ABcos?
??=?t+at
L=I?
I=mr

11. Torque (angular momentum)
PE=kx
??=at
?=?0+2a??
t=?L/?t

12. Rockets
PE=kx
L=I?
?J=??p
-dMu=Mdv

13. Conservation of momentum
If ?F=0 then ?p=0
Work done is dependent on path taken - Frictional force - most applied forces
W=?t????
Only acting force is gravity - Apparent 'weightlessness'

14. Non-conservative forces
?=?0+2a??
-dMu=Mdv
Work done is dependent on path taken - Frictional force - most applied forces
PE=kx

15. Work (angular)
a=-?Acos(?t+?)
PE=mgh
W=?t????
?t=Ia

16. Frictional force
?t=Ia
F=FN
?=v(g/L)
KE=mv

17. Cross product
?a??b=ABsin?
mdx/dt=-kx
I=mr
?F=0 ?t=0

18. Arc length
s=?r
Momentum is conserved - Kinetic energy is not conserved
?F=ma
a=a/r

19. Potential energy (spring)
PE=kx
v=-?Acos(?t+?)
a=-?Acos(?t+?)
KE=I?

20. Gravitational potential energy
I=?mr
J=?F
?=x/r
PE=-GMm/r

21. Inelastic collisions
Momentum is conserved - Kinetic energy is not conserved
?F=ma
I=mr
I=mr

22. Work (integral)
ME=kA
W=?F
v=-?Acos(?t+?)
?J=??p

23. Rotational Inertia
I=mr
??=?t+at
?x=vt+at
s=?r

24. Angular velocity
I=?mr
?=v/r
F=mv/r
?F=ma

25. Equilibrium
J=?F
?F=0 ?t=0
F=-GMm/r
W=?KE

26. Kinetic energy (rotational)
v=v0+2a?x
If ?F=0 then ?p=0
KE=I?
F=-kx

27. Force (momentum)
F=?p/?t
F=-GMm/r
I=mr
Work done is irrespective of path taken - Spring force - gravitational force

28. Elastic collisions
Momentum is conserved - Kinetic energy is not conserved
F=mv/r
I=?mr
Momentum is conserved - Kinetic energy is conserved

29. Potential energy (gravity)
If ?F=0 then ?p=0
mdx/dt=-kx
PE=mgh
t=?L/?t

30. Angular velocity (spring SHM)
If ?F=0 then ?p=0
x=Acos(?t+?)
?=v(k/m)
Momentum is conserved - Kinetic energy is not conserved

31. Constant circular acceleration (velocity)
?x=vt+at
??=at
?F=ma
v=v0+2a?x

32. Rotational inertia (sphere)
I=?mr
ME=kA
s=?r
F=-GMm/r

33. Freefall
Only acting force is gravity - Apparent 'weightlessness'
g=9.8m/s g=32ft/s
a=a/r
F=-kx

34. Frequency/Period
?=v(k/m)
W=?F
?a??b=ABcos?
f=1/T

35. Constant acceleration (no time)
v=v0+2a?x
?F=ma
??=?t+at
J=?F

36. Differential equation of motion (spring SHM)
t=?F??r
F=FN
mdx/dt=-kx
F=?p/?t

37. Shells
ME=kA
W=?F???x
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
F=FN

38. Impulse (integral)
J=?F
ME=kA
t=?F??r
L=I?

39. Work
W=?F???x
Only acting force is gravity - Apparent 'weightlessness'
ME=kA
F=FN

40. Conservative forces
I=?mr
Work done is irrespective of path taken - Spring force - gravitational force
L=I?
a=-?Acos(?t+?)

41. Kinetic energy
F=FN
?a??b=ABsin?
W=?F???x
KE=mv

42. Gravitational force
a=a/r
F=-GMm/r
g=9.8m/s g=32ft/s
?a??b=ABsin?

43. Torque (force analog)
F=-kx
Momentum is conserved - Kinetic energy is not conserved
L=I?
?t=Ia

44. Mechanical energy (SHM)
?a??b=ABsin?
I=mr
ME=kA
?=?0+2a??

45. Simple harmonic motion (acceleration)
Work done is dependent on path taken - Frictional force - most applied forces
F=FN
a=-?Acos(?t+?)
If ?F=0 then ?p=0

46. Angular acceleration
W=?F
?x=vt+at
Momentum is conserved - Kinetic energy is not conserved
a=a/r

47. Gravity
g=9.8m/s g=32ft/s
F=-kx
?=v(g/L)
W=?F

48. Angular position
I=mr
?J=??p
mdx/dt=-kx
?=x/r

49. Impulse
?J=??p
KE=mv
?a??b=ABsin?
I=mr

50. Angular momentum
F=?p/?t
L=I?
a=a/r
F=-kx

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AP Physics C: Mechanics

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