MCAT Physics Equation

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23 Terms

1
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Gravity

Fgrav → force of gravity

m → mass

g → the acceleration due to gravity

<p>F<sub>grav</sub> → force of gravity</p><p>m → mass</p><p>g → the acceleration due to gravity</p>
2
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Gravity

g → gravity

t → time

<p>g → gravity</p><p>t → time</p>
3
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Kinematics

v → velocity

v0 → initial velocity

a → acceleration

t → time

<p>v → velocity</p><p>v<sub>0 </sub>→ initial velocity</p><p>a → acceleration</p><p>t → time</p>
4
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Kinematics

d → displacement

v0 → initial velocity

t → time

a → acceleration

<p>d → displacement</p><p>v<sub>0 </sub>→ initial velocity</p><p>t → time</p><p>a → acceleration</p>
5
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Kinematics: Acceleration Equation

vf2 → final velocity

vi2 → initial velocity

a → acceleration

d → displacement

<p>v<sub>f</sub><sup>2</sup> → final velocity</p><p>v<sub>i</sub><sup>2 </sup>→ initial velocity</p><p>a → acceleration</p><p>d → displacement</p>
6
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Kinematics

d → displacement

vavg → average velocity

t → time

<p>d → displacement</p><p>v<sub>avg</sub> → average velocity</p><p>t → time</p>
7
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Projectile Motion: Horizontal Component

y → y-axis

vf → final velocity

t → time

<p>y → y-axis</p><p>v<sub>f </sub>→ final velocity </p><p>t → time</p>
8
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Projectile Motion: Vertical Component

y → y-axis

v0 → initial velocity

u →

t → time

g → gravity

t → time

<p>y → y-axis</p><p>v<sub>0</sub> → initial velocity</p><p>u → </p><p>t → time</p><p>g → gravity</p><p>t → time</p>
9
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Work, Energy, and Power: Kinetic Energy

KE → kinetic energy

m → mass

v → velocity

<p>KE → kinetic energy</p><p>m → mass</p><p>v → velocity</p>
10
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Work, Energy, and Power: Gravitational Potential Energy

PE → gravitational potential energy

m → mass

g → gravity

h → height

<p>PE → gravitational potential energy</p><p>m → mass</p><p>g → gravity</p><p>h → height</p>
11
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Work, Energy, and Power: Total Mechanical Energy

E → total energy

KE → kinetic energy

PE → potential energy

<p>E → total energy</p><p>KE → kinetic energy</p><p>PE → potential energy</p>
12
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Torque

τ → torque

r → distance from the pivot that the force is applied

F → force

sinθ → angle between r and F

<p>τ → torque</p><p>r → distance from the pivot that the force is applied</p><p>F → force</p><p>sinθ → angle between r&nbsp;and F</p>
13
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Thermal Dynamic: First Law

ΔE → change in internal energy

Q → heat added to the system

W → work done by the system

<p>ΔE → change in internal energy</p><p>Q → heat added to the system</p><p>W → work done by the system</p>
14
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Fluids: Density

ρ → density

m → mass

v → volume

<p></p><p><span>ρ</span> → density </p><p>m → mass</p><p>v → volume</p>
15
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Circuits and Electrostatics: Ohms Law

V → voltage

I → current

R → resistance

<p>V → voltage </p><p>I → current </p><p>R → resistance </p>
16
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Circuits and Electrostatics: Power

P → power

I → current

V → voltage

R → resistance

<p>P → power</p><p>I → current</p><p>V → voltage</p><p>R → resistance</p>
17
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Circuits and Electrostatics: Series Resistors

RTotal → total resistance

R1 → resistance

R2 → resistance

<p>R<sub>Total </sub>→ total resistance</p><p>R<sub>1 </sub>→ resistance</p><p>R<sub>2 </sub>→ resistance</p>
18
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Circuits and Electrostatics: Parallel Resistors

RTotal → total resistance

R1 → resistance

R2 → resistance

<p>R<sub>Total </sub>→ total resistance</p><p>R<sub>1 </sub>→ resistance</p><p>R<sub>2 </sub>→ resistance</p>
19
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Circuits and Electrostatics: Current

I → current

Q → charges

t → time

<p>I → current</p><p>Q → charges</p><p>t → time</p>
20
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Circuits and Electrostatics: Resistance

R → resistance

ρ → resistivity

L → length

A → area

<p>R → resistance</p><p>ρ → resistivity </p><p>L → length</p><p>A → area</p>
21
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Circuits and Electrostatics: Coulomb’s Law

FE → electrostatic force

k → coulomb constant

Q1 → charges

Q2 → charges

r2 → distance

<p>F<sub>E </sub>→ electrostatic force </p><p>k → coulomb constant</p><p>Q<sub>1 </sub>→ charges</p><p>Q<sub>2 </sub>→ charges</p><p>r<sup>2</sup> → distance</p>
22
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Circuits and Electrostatics: Electric Field (Point Charge)

E → electric field

k → coulomb’s constant

Q → charge

r2 → distance

<p>E → electric field</p><p>k → coulomb’s constant</p><p>Q → charge</p><p>r<sup>2 </sup>→ distance</p>
23
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Circuits and Electrostatics: Force by an Electric Field

F → force

q → charge

E → electric field

<p>F → force</p><p>q → charge</p><p>E → electric field</p>