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MCAT Physics Formulas

Subjects : mcat, science

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. frequency of spring is proportional to...
As speed of fluid increases pressure and potential energy decrease
Spring constant
W=mg=?Vg
Incident ray

2. relate velocities and displacement 2 ways
Counterclockwise is + clockwise is -
C=eoKA/D
V^2=vo^2+2a?x ?x=1/2(vo+v)t
T=1/f

3. when spring is at rest
Fnet=0 thus Fg=Fs mg=kx
W=qv
Perpendicular to each other
More flow less resistance

4. across capacitor what remains constant
?=2L/n
Voltage
P=i^2R=V^2/R=IV
Charge remains constant

5. work as it relates to constant force
image/object
N*s/m^2
373K 100
W=Fdcos?

6. Gauss's Law
U=(1/2)kx^2
F=q/e0
Low voltage to high voltage
N1>n2

7. capacitors in parallel
Ceq=C1+C2+C3 Veq=V1=V2=V3
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Vcos?
Conductor

8. frequency of light given wavelength
F=c/?
Force a molecule of liquid feels toward the other molecules of the liquid
Vbulk modulus
Cohesion

9. sound level
Moving charge
Gamma decay
Sin=0 cos=1
Beta=10Log(I/Io)

10. ideal ammeter
Zero resistance
Real inverted
E*r
V^2=vo^2+2a?x ?x=1/2(vo+v)t

11. magnetic field is created by loop wire - What is magnetic field at center of loop
Will never decrease capacitance
Yield strength
Beta=
?L=aL?T

12. find energy in circuit
E=Pt
Neutron is converted into a proton and an electron is emitted
Negative
Minimum frequency of light that will cause emission of an electron

13. absolute zero in K and C
2pvL/g
Emf is positive
(1/2)?v^2
0K -273

14. focal length
J=Force*Time=mv - mvo=?p
Coulomb=amphere*sec
1/f=1/o+ 1/i
MRT

15. viscosity
Fluid resistance to flow
(1/2)?v^2
0K -273
Degree=p/180 radian

16. mirror image is on same side as object
Real image
W'=?E=?KE+?U
Force a molecule of liquid feels toward the other molecules of the liquid
F/A

17. sound waves are what kind of waves
Longitudinal
K+U=constant
F=ma
Spring constant

18. (+) magnification signifies
Upright image
J=Force*Time=mv - mvo=?p
Side opposite From which light originates
C=eoKA/D

19. body in translational equilibrium
No net force acting on it
Y=(F/A)/(?L/L) stress over strain
(1/2)?v^2
Vo+at

20. audible wave frequency
?=vk/m=2p??
Moving charge
20 Hz to 20 -000 Hz
???

21. point of shape change beyond which a material can go back to normal
Farad 1 F= 1 c/v
W=Fdcos?
20 Hz to 20 -000 Hz
Yield strength

22. period of pendulum
Increase length increase resistance
F=c/?
2pvL/g
Perpendicular to each other

23. energy of a photon is dependent on...
Frequency
E=1/2k(A^2)
Force and acceleration
Virtual upright

24. negative charge moves spontaneously from
Force and acceleration
700nm -400nm
Low voltage to high voltage
Frequency

25. focal for spherical mirrors
Virtual upright
F/A
F=1/2(r)
Gamma decay

26. In what position does spring has its greatest speed
??=nv/4L
V=?A
Equilibrium position
New/old

27. kirchhoff's rule -- travel from positive to negative
Emf is negative
I=?q/?t
F=ma
K+U=constant

28. type of heat transfer involving direct transfer of energy from molecule to molecule through molecular collisions
Beta=10Log(I/Io)
U=1/2QV=1/2CV^2=1/2Q^2/C
Conduction
Wave speed

29. equation for capacitance with dielectric
J=Force*Time=mv - mvo=?p
U=q?v
Insulator
C=eoKA/D

30. circumference of a circle
M1v1=m2v2
P=i^2R=V^2/R=IV
2pr
(1/2)?v^2

31. Hooke's Law
Vot+1/2at^2=(V0+v/2)t
Body in motion remains in motion unless net force acts upon it
1/2mv^2
F=- kx

32. formula for solution which is diluted related to initial concentration
Hydrostatics
Gas to solid
Conductor
M1v1=m2v2

33. dielectric material
Degree=p/180 radian
Minimum frequency of light that will cause emission of an electron
Will never decrease capacitance
Makes ?G more negative thus more spontaneous

34. Newtons 1st law of motion
Body in motion remains in motion unless net force acts upon it
E=V/d
F=- kx
Solid to gas

35. light ray that strikes a surface
None
?=vk/m=2p??
Wave speed
Incident ray

36. capacitance equation in circuit
MRT
C=Q/V
Emf is positive
F=- kx

37. equation relating heat gained and temperature change
F=ma
None
Ceq=C1+C2+C3 Veq=V1=V2=V3
Q=mc?t

38. cohesion
Spring constant
Force a molecule of liquid feels toward the other molecules of the liquid
Approx .7
B=

39. suppose a block is floating in H2O - What does this mean
100% of the object will be submerged but will not sink
F1/A1=F2/A2
2pvL/g
Buoyant force equals blocks weight

40. lever arm is halved what happens to torque
It is halved
F=xk=mg
T=rF where F is proportional to mass and r is distance from pivot
Q=mc?t

41. 0
Image is always upright virtual and smaller
2 times the focal distance
Sin=0 cos=1
V/??

42. relate charge and current
N is proportional to 1/?
Vcos?
Nsin?incident=nsin?refraction
Coulomb=amphere*sec

43. buoyant force is due to...
F=c/?
V/??
(Vo+v)/2
The liquid itself not the object

44. units for power of a lens
Neutron is converted into a proton and an electron is emitted
U=q?v
Diopters
Degree=p/180 radian

45. process of combing smaller nuclei to create larger nuclei
W=qv
Fusion
Energy of electrons
Dispersion

46. max frequency of X- ray depends ONLY on...
Protons+neutrons
Energy of electrons
?=4L/n
Vcos?

47. excess energy of a photon is...
Conductor
Fnet=0 thus Fg=Fs mg=kx
Converted to extra kinetic energy of the emitted electron
F=mv^2/r

48. a in isotopic notation
273K 0
Insulator
image/object
Mass number

49. tone with shortest period has
Conductor
Sin=v2/2 cos=v2/2
The shortest wavelength
When velocity of the fluid exceeds critical velocity

50. nucleon
When ?=90 b/c sin90=1
F=nv/2L
Proton or neutron
4 Hz