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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. Equilibrium
?F=0 ?t=0
I=½mr²
a=a/r
Only acting force is gravity - Apparent 'weightlessness'

2. Rockets
F=-GMm/r²
-dMu=Mdv
?x=vt+½at²
KE=½mv²

3. Kinetic energy
?x=vt+½at²
?=x/r
??=at
KE=½mv²

4. Conservation of momentum
Work done is irrespective of path taken - Spring force - gravitational force
Only acting force is gravity - Apparent 'weightlessness'
If ?F=0 then ?p=0
W=?KE

5. Shells
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
PE=½kx
I=mr²
F=-GMm/r²

6. Angular velocity
?=v(g/L)
?=v/r
?a??b=ABsin?
-dMu=Mdv

7. Constant acceleration (no time)
J=?F
If ?F=0 then ?p=0
v²=v0²+2a?x
PE=-GMm/r

8. Freefall

9. Force (radial)
s=?r
F=mv²/r
Only acting force is gravity - Apparent 'weightlessness'
W=?F

10. Elastic collisions
Momentum is conserved - Kinetic energy is conserved
PE=mgh
x=Acos(?t+?)
s=?r

11. Rotational inertia (disc)
If ?F=0 then ?p=0
I=½mr²
?v=at
s=?r

12. Work
Momentum is conserved - Kinetic energy is conserved
t=?F??r
Work done is dependent on path taken - Frictional force - most applied forces
W=?F???x

13. Angular velocity (spring SHM)
?=v(k/m)
L=I?
x=Acos(?t+?)
?a??b=ABsin?

14. Frequency/Period
PE=½kx
?=v/r
f=1/T
g=9.8m/s² g=32ft/s²

15. Gravitational potential energy
I=?mr²
PE=½kx
PE=-GMm/r
?=v/r

16. Potential energy (gravity)
?=v(g/L)
PE=mgh
Work done is irrespective of path taken - Spring force - gravitational force
F=?p/?t

17. Dot product
f=1/T
Work done is irrespective of path taken - Spring force - gravitational force
?a??b=ABcos?
v=-?Acos(?t+?)

18. Work (angular)
J=?F
W=?t????
KE=½I?²
W=?F

19. Kinetic energy (rotational)
s=?r
?t=Ia
I=½mr²
KE=½I?²

20. Impulse
a=a/r
I=mr²
Work done is dependent on path taken - Frictional force - most applied forces
?J=??p

21. Simple harmonic motion (velocity)
PE=-GMm/r
?=x/r
v=-?Acos(?t+?)
??=at

22. Force (momentum)
F=µFN
?t=Ia
F=?p/?t
?=v(k/m)

23. Angular acceleration
a=-?²Acos(?t+?)
a=a/r
F=mv²/r
s=?r

24. Simple harmonic motion (position)
?t=Ia
?a??b=ABsin?
x=Acos(?t+?)
W=?t????

25. Constant circular acceleration (position)
?=x/r
Momentum is conserved - Kinetic energy is conserved
??=?t+½at²
-dMu=Mdv

26. Work (integral)
x=Acos(?t+?)
W=?F
ME=½kA²
-dMu=Mdv

27. Conservative forces
Work done is irrespective of path taken - Spring force - gravitational force
-dMu=Mdv
g=9.8m/s² g=32ft/s²
PE=-GMm/r

28. Inelastic collisions
??=?t+½at²
?a??b=ABcos?
Momentum is conserved - Kinetic energy is not conserved
?F=0 ?t=0

29. Constant acceleration (velocity)
?x=vt+½at²
Momentum is conserved - Kinetic energy is conserved
?v=at
F=mv²/r

30. Gravitational force
F=-GMm/r²
?=v/r
W=?F???x
I=mr²

31. Cross product
?J=??p
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
a=-?²Acos(?t+?)
?a??b=ABsin?

32. Rotational Inertia
I=?mr²
I=mr²
?a??b=ABsin?
Work done is dependent on path taken - Frictional force - most applied forces

33. Rotational inertia (sphere)
Work done is dependent on path taken - Frictional force - most applied forces
I=?mr²
J=?F
W=?F

34. Torque (force analog)
Momentum is conserved - Kinetic energy is conserved
?t=Ia
W=?t????
?=x/r

35. Parellel axis theorem
I=I0+mh²
I=½mr²
Work done is dependent on path taken - Frictional force - most applied forces
J=?F

36. Torque (angular momentum)
t=?L/?t
?F=ma
?=v(k/m)
J=?F

37. Simple harmonic motion (acceleration)
s=?r
W=?F???x
a=-?²Acos(?t+?)
?a??b=ABcos?

38. Arc length
?J=??p
s=?r
?=x/r
I=I0+mh²

39. Non-conservative forces
Work done is dependent on path taken - Frictional force - most applied forces
?t=Ia
a=-?²Acos(?t+?)
J=?F

40. Gravity
?²=?0²+2a??
I=mr²
KE=½mv²
g=9.8m/s² g=32ft/s²

41. Potential energy (spring)
PE=½kx
F=µFN
F=?p/?t
?x=vt+½at²

42. Angular momentum
F=-kx
F=-GMm/r²
L=I?
a=-?²Acos(?t+?)

43. Spring force
t=?F??r
?x=vt+½at²
?t=Ia
F=-kx

44. Impulse (integral)
F=mv²/r
g=9.8m/s² g=32ft/s²
?²=?0²+2a??
J=?F

45. Angular position
KE=½mv²
?=x/r
PE=-GMm/r
PE=½kx

46. Work (kinetic energy)
-dMu=Mdv
md²x/dt²=-kx
t=?L/?t
W=?KE

47. Mechanical energy (SHM)
f=1/T
ME=½kA²
W=?t????
PE=mgh

48. Constant acceleration (position)
?x=vt+½at²
?v=at
J=?F
?a??b=ABsin?

49. Torque
I=I0+mh²
?J=??p
J=?F
t=?F??r

50. Constant circular acceleration (velocity)
PE=-GMm/r
W=?t????
KE=½mv²
??=at