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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. Frictional force
?F=ma
F=µFN
?=v(k/m)
PE=mgh

2. Gravitational potential energy
?F=ma
PE=-GMm/r
PE=mgh
Work done is irrespective of path taken - Spring force - gravitational force

3. Kinetic energy
J=?F
I=mr²
F=-GMm/r²
KE=½mv²

4. Constant acceleration (no time)
I=½mr²
L=I?
PE=½kx
v²=v0²+2a?x

5. Impulse (integral)
J=?F
?F=ma
??=at
?=v/r

6. Angular velocity (pendulum SHM)
x=Acos(?t+?)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?=v(k/m)
?=v(g/L)

7. Angular velocity
F=?p/?t
Momentum is conserved - Kinetic energy is conserved
?=v/r
Work done is dependent on path taken - Frictional force - most applied forces

8. Rotational inertia (sphere)
I=?mr²
L=I?
ME=½kA²
F=mv²/r

9. Frequency/Period
?x=vt+½at²
f=1/T
??=?t+½at²
?=x/r

10. Angular acceleration
W=?KE
W=?F
W=?t????
a=a/r

11. Force (momentum)
KE=½mv²
F=?p/?t
x=Acos(?t+?)
?J=??p

12. Freefall

13. Shells
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?=v(g/L)
?²=?0²+2a??
PE=mgh

14. Constant circular acceleration (position)
??=?t+½at²
PE=-GMm/r
s=?r
L=I?

15. Work (kinetic energy)
?v=at
W=?KE
x=Acos(?t+?)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

16. Constant acceleration (velocity)
?v=at
W=?t????
F=mv²/r
If ?F=0 then ?p=0

17. Conservative forces
F=-kx
?J=??p
Work done is irrespective of path taken - Spring force - gravitational force
s=?r

18. Constant circular acceleration (no time)
?²=?0²+2a??
Momentum is conserved - Kinetic energy is conserved
x=Acos(?t+?)
Only acting force is gravity - Apparent 'weightlessness'

19. Inelastic collisions
??=?t+½at²
Momentum is conserved - Kinetic energy is not conserved
ME=½kA²
v²=v0²+2a?x

20. Kinetic energy (rotational)
KE=½I?²
Work done is irrespective of path taken - Spring force - gravitational force
-dMu=Mdv
a=a/r

21. Torque
t=?F??r
?=v(k/m)
PE=½kx
KE=½I?²

22. Constant acceleration (position)
?x=vt+½at²
L=I?
v²=v0²+2a?x
F=µFN

23. Force
?a??b=ABcos?
s=?r
g=9.8m/s² g=32ft/s²
?F=ma

24. Simple harmonic motion (acceleration)
?F=0 ?t=0
s=?r
I=?mr²
a=-?²Acos(?t+?)

25. Angular position
?=x/r
Work done is irrespective of path taken - Spring force - gravitational force
?F=0 ?t=0
?=v/r

26. Conservation of momentum
?=v(k/m)
?J=??p
?F=0 ?t=0
If ?F=0 then ?p=0

27. Potential energy (spring)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
PE=½kx
a=a/r
?=v/r

28. Spring force
?v=at
?=v(k/m)
F=-kx
t=?F??r

29. Work (angular)
a=a/r
?a??b=ABcos?
W=?t????
W=?F

30. Angular momentum
?=x/r
?a??b=ABsin?
L=I?
F=-GMm/r²

31. Non-conservative forces
W=?F
Work done is dependent on path taken - Frictional force - most applied forces
W=?F???x
Only acting force is gravity - Apparent 'weightlessness'

32. Force (radial)
?x=vt+½at²
W=?KE
F=mv²/r
F=-kx

33. Impulse
?J=??p
F=mv²/r
L=I?
W=?t????

34. Parellel axis theorem
I=I0+mh²
KE=½I?²
a=a/r
W=?F

35. Torque (force analog)
Work done is irrespective of path taken - Spring force - gravitational force
PE=½kx
If ?F=0 then ?p=0
?t=Ia

36. Constant circular acceleration (velocity)
I=½mr²
L=I?
??=at
PE=½kx

37. Work (integral)
Work done is irrespective of path taken - Spring force - gravitational force
g=9.8m/s² g=32ft/s²
W=?F
s=?r

38. Work
Work done is dependent on path taken - Frictional force - most applied forces
F=?p/?t
W=?F???x
?=v(g/L)

39. Torque (angular momentum)
t=?L/?t
Momentum is conserved - Kinetic energy is conserved
W=?t????
s=?r

40. Potential energy (gravity)
Work done is dependent on path taken - Frictional force - most applied forces
PE=mgh
W=?t????
v²=v0²+2a?x

41. Cross product
I=?mr²
?a??b=ABsin?
L=I?
I=mr²

42. Rotational inertia (disc)
I=½mr²
PE=½kx
PE=mgh
Only acting force is gravity - Apparent 'weightlessness'

43. Dot product
F=-kx
KE=½mv²
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
?a??b=ABcos?

44. Elastic collisions
Work done is dependent on path taken - Frictional force - most applied forces
Momentum is conserved - Kinetic energy is conserved
g=9.8m/s² g=32ft/s²
If ?F=0 then ?p=0

45. Arc length
s=?r
?a??b=ABsin?
W=?F
PE=½kx

46. Equilibrium
W=?F???x
W=?F
?F=0 ?t=0
ME=½kA²

47. Simple harmonic motion (velocity)
F=-kx
?=x/r
v=-?Acos(?t+?)
?=v(g/L)

48. Mechanical energy (SHM)
KE=½I?²
ME=½kA²
??=?t+½at²
md²x/dt²=-kx

49. Differential equation of motion (spring SHM)
?F=0 ?t=0
md²x/dt²=-kx
t=?L/?t
L=I?

50. Simple harmonic motion (position)
x=Acos(?t+?)
md²x/dt²=-kx
v=-?Acos(?t+?)
KE=½I?²