Test your basic knowledge |

AP Physics C: Mechanics

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Work (angular)
F=?p/?t
?²=?0²+2a??
W=?t????
I=mr²

2. Cross product
?F=ma
F=-GMm/r²
v²=v0²+2a?x
?a??b=ABsin?

3. Non-conservative forces
?v=at
PE=-GMm/r
Momentum is conserved - Kinetic energy is conserved
Work done is dependent on path taken - Frictional force - most applied forces

4. Freefall

5. Force (radial)
F=mv²/r
a=-?²Acos(?t+?)
?t=Ia
t=?F??r

6. Angular velocity (pendulum SHM)
a=-?²Acos(?t+?)
??=?t+½at²
v=-?Acos(?t+?)
?=v(g/L)

7. Rotational inertia (sphere)
a=a/r
f=1/T
I=?mr²
v²=v0²+2a?x

8. Rotational inertia (disc)
g=9.8m/s² g=32ft/s²
I=½mr²
I=mr²
F=-GMm/r²

9. Equilibrium
?F=ma
?F=0 ?t=0
Momentum is conserved - Kinetic energy is conserved
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

10. Work (kinetic energy)
I=?mr²
KE=½mv²
W=?KE
I=½mr²

11. Conservation of momentum
t=?L/?t
Momentum is conserved - Kinetic energy is conserved
I=I0+mh²
If ?F=0 then ?p=0

12. Gravity
g=9.8m/s² g=32ft/s²
v=-?Acos(?t+?)
I=½mr²
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

13. Rockets
-dMu=Mdv
I=½mr²
?=x/r
PE=½kx

14. Conservative forces
Work done is irrespective of path taken - Spring force - gravitational force
v=-?Acos(?t+?)
?=v(k/m)
??=?t+½at²

15. Parellel axis theorem
W=?F???x
I=I0+mh²
KE=½mv²
?=v(g/L)

16. Torque (force analog)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
Momentum is conserved - Kinetic energy is not conserved
?t=Ia
s=?r

17. Constant circular acceleration (velocity)
??=at
a=a/r
PE=-GMm/r
?a??b=ABcos?

18. Differential equation of motion (spring SHM)
L=I?
v=-?Acos(?t+?)
md²x/dt²=-kx
F=-kx

19. Gravitational force
KE=½I?²
PE=mgh
F=-GMm/r²
W=?F???x

20. Constant circular acceleration (no time)
?²=?0²+2a??
s=?r
f=1/T
F=-GMm/r²

21. Angular velocity (spring SHM)
v²=v0²+2a?x
?=v(k/m)
W=?F???x
PE=-GMm/r

22. Potential energy (spring)
?=v(g/L)
PE=½kx
F=-GMm/r²
s=?r

23. Force
md²x/dt²=-kx
t=?L/?t
?F=ma
PE=-GMm/r

24. Gravitational potential energy
PE=-GMm/r
Work done is irrespective of path taken - Spring force - gravitational force
F=?p/?t
-dMu=Mdv

25. Angular velocity
f=1/T
J=?F
v²=v0²+2a?x
?=v/r

26. Impulse (integral)
?=v(k/m)
I=mr²
J=?F
If ?F=0 then ?p=0

27. Potential energy (gravity)
If ?F=0 then ?p=0
I=?mr²
t=?L/?t
PE=mgh

28. Angular position
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
Work done is dependent on path taken - Frictional force - most applied forces
??=at
?=x/r

29. Kinetic energy (rotational)
-dMu=Mdv
F=mv²/r
?=v/r
KE=½I?²

30. Simple harmonic motion (position)
L=I?
W=?F
PE=mgh
x=Acos(?t+?)

31. Work (integral)
W=?F
s=?r
KE=½mv²
??=at

32. Inelastic collisions
Momentum is conserved - Kinetic energy is not conserved
?F=ma
t=?F??r
a=a/r

33. Elastic collisions
a=a/r
?v=at
?=v/r
Momentum is conserved - Kinetic energy is conserved

34. Frictional force
F=µFN
?J=??p
x=Acos(?t+?)
PE=½kx

35. Constant acceleration (velocity)
I=½mr²
?a??b=ABcos?
?v=at
PE=½kx

36. Frequency/Period
v²=v0²+2a?x
f=1/T
Only acting force is gravity - Apparent 'weightlessness'
KE=½I?²

37. Kinetic energy
md²x/dt²=-kx
?a??b=ABsin?
KE=½mv²
J=?F

38. Angular momentum
PE=-GMm/r
L=I?
g=9.8m/s² g=32ft/s²
-dMu=Mdv

39. Force (momentum)
F=?p/?t
v²=v0²+2a?x
F=mv²/r
?a??b=ABsin?

40. Simple harmonic motion (velocity)
v=-?Acos(?t+?)
g=9.8m/s² g=32ft/s²
??=?t+½at²
I=I0+mh²

41. Constant acceleration (position)
KE=½I?²
?x=vt+½at²
I=mr²
W=?t????

42. Constant circular acceleration (position)
?=v/r
I=½mr²
??=?t+½at²
??=at

43. Mechanical energy (SHM)
?²=?0²+2a??
W=?KE
ME=½kA²
s=?r

44. Angular acceleration
a=-?²Acos(?t+?)
a=a/r
Only acting force is gravity - Apparent 'weightlessness'
v²=v0²+2a?x

45. Dot product
?a??b=ABcos?
?v=at
a=-?²Acos(?t+?)
a=a/r

46. Constant acceleration (no time)
v²=v0²+2a?x
x=Acos(?t+?)
Work done is irrespective of path taken - Spring force - gravitational force
g=9.8m/s² g=32ft/s²

47. Torque (angular momentum)
t=?L/?t
a=a/r
L=I?
W=?F

48. Work
W=?F???x
PE=mgh
?F=ma
Momentum is conserved - Kinetic energy is conserved

49. Impulse
KE=½I?²
W=?F
Momentum is conserved - Kinetic energy is not conserved
?J=??p

50. Simple harmonic motion (acceleration)
a=-?²Acos(?t+?)
W=?F???x
PE=mgh
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell