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. Rotational inertia (disc)
I=½mr²
Work done is irrespective of path taken - Spring force - gravitational force
t=?L/?t
F=?p/?t

2. Torque (angular momentum)
f=1/T
?=v/r
W=?F
t=?L/?t

3. Cross product
?a??b=ABsin?
W=?t????
?=v(g/L)
KE=½mv²

4. Work (angular)
KE=½I?²
a=a/r
?v=at
W=?t????

5. Angular acceleration
ME=½kA²
a=a/r
??=?t+½at²
If ?F=0 then ?p=0

6. Freefall

7. Force (momentum)
F=?p/?t
Momentum is conserved - Kinetic energy is conserved
?F=0 ?t=0
W=?KE

8. Angular velocity (spring SHM)
?=v(g/L)
F=µFN
?=v(k/m)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

9. Force (radial)
Momentum is conserved - Kinetic energy is conserved
?F=0 ?t=0
md²x/dt²=-kx
F=mv²/r

10. Parellel axis theorem
I=½mr²
PE=-GMm/r
I=I0+mh²
F=-kx

11. Angular position
?=x/r
?=v/r
Momentum is conserved - Kinetic energy is not conserved
I=½mr²

12. Conservation of momentum
If ?F=0 then ?p=0
v=-?Acos(?t+?)
I=I0+mh²
KE=½I?²

13. Gravitational force
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
F=-GMm/r²
F=-kx
x=Acos(?t+?)

14. Rotational inertia (sphere)
?J=??p
md²x/dt²=-kx
v=-?Acos(?t+?)
I=?mr²

15. Constant acceleration (no time)
I=mr²
v²=v0²+2a?x
PE=½kx
?=v/r

16. Work (kinetic energy)
W=?t????
F=mv²/r
PE=½kx
W=?KE

17. Spring force
?=x/r
a=a/r
?²=?0²+2a??
F=-kx

18. Simple harmonic motion (acceleration)
a=-?²Acos(?t+?)
F=mv²/r
??=?t+½at²
?=x/r

19. Mechanical energy (SHM)
?F=ma
ME=½kA²
PE=mgh
??=at

20. Angular momentum
??=at
Work done is irrespective of path taken - Spring force - gravitational force
t=?F??r
L=I?

21. Frictional force
Work done is irrespective of path taken - Spring force - gravitational force
PE=-GMm/r
PE=mgh
F=µFN

22. Equilibrium
I=½mr²
?v=at
??=at
?F=0 ?t=0

23. Gravitational potential energy
PE=-GMm/r
?a??b=ABcos?
f=1/T
md²x/dt²=-kx

24. Kinetic energy
?a??b=ABcos?
ME=½kA²
x=Acos(?t+?)
KE=½mv²

25. Angular velocity
F=-kx
W=?KE
?=v(k/m)
?=v/r

26. Frequency/Period
f=1/T
W=?F???x
?=v(k/m)
PE=-GMm/r

27. Constant circular acceleration (position)
??=?t+½at²
W=?t????
Work done is irrespective of path taken - Spring force - gravitational force
?v=at

28. Rotational Inertia
F=-kx
W=?F???x
I=mr²
PE=mgh

29. Work
If ?F=0 then ?p=0
I=I0+mh²
W=?F???x
-dMu=Mdv

30. Kinetic energy (rotational)
KE=½I?²
Momentum is conserved - Kinetic energy is conserved
PE=-GMm/r
F=µFN

31. Constant acceleration (velocity)
PE=½kx
I=?mr²
v=-?Acos(?t+?)
?v=at

32. Shells
F=µFN
W=?t????
J=?F
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell

33. Work (integral)
?=v/r
W=?t????
?t=Ia
W=?F

34. Torque
t=?F??r
W=?F
L=I?
v=-?Acos(?t+?)

35. Dot product
I=mr²
?a??b=ABcos?
Only acting force is gravity - Apparent 'weightlessness'
KE=½mv²

36. Impulse (integral)
g=9.8m/s² g=32ft/s²
F=µFN
J=?F
?F=0 ?t=0

37. Gravity
W=?t????
s=?r
g=9.8m/s² g=32ft/s²
I=½mr²

38. Potential energy (gravity)
PE=mgh
v=-?Acos(?t+?)
?F=0 ?t=0
Only acting force is gravity - Apparent 'weightlessness'

39. Constant circular acceleration (no time)
?²=?0²+2a??
?a??b=ABsin?
?v=at
md²x/dt²=-kx

40. Torque (force analog)
F=?p/?t
I=?mr²
?t=Ia
?v=at

41. Inelastic collisions
x=Acos(?t+?)
v²=v0²+2a?x
Momentum is conserved - Kinetic energy is not conserved
W=?F???x

42. Impulse
?J=??p
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
I=mr²
?x=vt+½at²

43. Potential energy (spring)
PE=½kx
??=at
F=µFN
KE=½mv²

44. Elastic collisions
?F=ma
Work done is dependent on path taken - Frictional force - most applied forces
Momentum is conserved - Kinetic energy is conserved
Work done is irrespective of path taken - Spring force - gravitational force

45. Angular velocity (pendulum SHM)
?=v(g/L)
I=mr²
md²x/dt²=-kx
?F=0 ?t=0

46. Constant acceleration (position)
ME=½kA²
Momentum is conserved - Kinetic energy is conserved
?x=vt+½at²
F=mv²/r

47. Simple harmonic motion (velocity)
F=-kx
?=v(k/m)
v=-?Acos(?t+?)
F=mv²/r

48. Force
s=?r
W=?F???x
?F=ma
?a??b=ABsin?

49. Constant circular acceleration (velocity)
?=v(g/L)
?=x/r
I=I0+mh²
??=at

50. Differential equation of motion (spring SHM)
Objects inside of hollow shells experience no net gravitational force from the mass composing the shell
md²x/dt²=-kx
Only acting force is gravity - Apparent 'weightlessness'
?t=Ia