MCAT SI Units

m^1 =

m^2 =

m^3 =

m^1 = length

m^2 = area

m^3 = volume

SI BASE UNITS

SI BASE UNITS

What are the 6 SI BASE units?

1. Length/Distance (meters) (m)

2. Mass (kilograms) (kg)

3. Temperature (kelvin) (K)

4. Time (seconds) (s)

5. Amount of Substance (mole) (mol)

6. Electric Current (amperes) (A)

Sub Base Units

1. Force (Newtons)

2. Energy (Joules)

3. Electricity (Coulombs)

4. Electric Potential (Voltage)

The dimension of DISTANCE/LENGTH is abbreviated as ____ and measured in the SI base unit of ____, which is abbreviated as ____.

The dimension of DISTANCE/LENGTH is abbreviated as d/l and measured in the SI base unit of meters, which is abbreviated as m.

The dimension of MASS is abbreviated as ____ and measured in the SI base unit of ____, which is abbreviated as ____.

The dimension of MASS is abbreviated as m and measured in the SI base unit of kilograms, which is abbreviated as kg.

The dimension of TIME is abbreviated as ____ and measured in the SI base unit of ____, which is abbreviated as ____.

The dimension of TIME is abbreviated as t and measured in the SI base unit of seconds, which is abbreviated as s.

The dimension of CURRENT is abbreviated as ____ and measured in the SI base unit of ____, which is abbreviated as ____, which is equivalent to ____.

The dimension of CURRENT is abbreviated as I and measured in the SI base unit of amps/amperes, which is abbreviated as A, which is equivalent to C/s

The dimension of AMOUNT OF A SUBSTANCE is measured in the SI base unit of ____, which is abbreviated as ____.

The dimension of AMOUNT OF SUBSTANCE is measured in the SI base unit of moles, which is abbreviated as mol.

The dimension of TEMPERATURE is measured in the SI base unit of ____, which is abbreviated as ____.

The dimension of TEMPERATURE is measured in the SI base unit of kelvin, which is abbreviated as K.

SI DERIVED UNITS

SI DERIVED UNITS

The dimension of VELOCITY/SPEED is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of VELOCITY/SPEED is abbreviated as v and measured in meters per second, which is abbreviated as m/s.

The dimension of MOMENTUM is abbreviated as ____ and measured in ____.

The dimension of MOMENTUM is abbreviated as p and measured in (kg)(m/s).

Note: kilograms x speed/velocity

The dimension of ACCELERATION is abbreviated as ____ and measured in ____.

The dimension of ACCELERATION is abbreviated as a and measured in m/s^2 (meters per seconds squared)

The dimension of FORCE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of FORCE is abbreviated as F and measured in (kg)(m/s^2) (newtons)

Note: newtons = kilograms x acceleration

The dimension of IMPULSE is abbreviated as ____ and measured in ____, which is abbreviated as ____.

The dimension of IMPULSE is abbreviated as J and measured in (N)(s) (aka: newton-seconds).

Note: The abbreviation for impulse J, is NOT joules.

1. The dimension of TORQUE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

2. What type of quantity is it?

1. The dimension of TORQUE is abbreviated as τ (tau) and measured in (N)(m) (newton-meters)

2. VECTOR Quantity (contains direction)

Note: (kg)(m/s^2) (m)

Work/Energy

What type of quantity is it?

1.

The dimension of WORK is abbreviated as W.

The dimension of ENERGY is abbreviated as E. The dimension of KINETIC ENERGY is abbreviated as KE.

The dimension of POTENTIAL ENERGY is abbreviated as PE.

2. ALL are EQUAL to one another.

3. ALL are SCALAR quantities (does NOT contain a direction)

3. ALL are measured in (kg)(m^2)/(s^2) (aka: joules, J).

Note: While work and energy are equivalent to torque, torque contains a direction while work and energy do NOT. Scalar vs vector quantity.

The dimension of POWER is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of POWER is abbreviated as P and measured in watts (W, J/s, energy per second)

The dimension of PRESSURE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of PRESSURE is abbreviated as P and measured in N/m^2 (pascals, Pa, pressure per area)

The dimension of DENSITY is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of DENSITY is abbreviated as ρ (rho) and measured in kg/m^3 (kilograms per volume)

The dimension of FLOW RATE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

FIX

The dimension of FLOW RATE is abbreviated as f and measured in m^3/s (volume per second).

ELECTRICITY

ELECTRICITY

The dimension of ELECTRIC CHARGE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of ELECTRIC CHARGE is abbreviated as q and measured in Coulombs, which is abbreviated as C

The dimension of ELECTRIC FIELD is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____ or ____, which is abbreviated as ____.

The dimension of ELECTRIC FIELD is abbreviated as E and measured in N/C (force per electric charge) or V/m (volts per meter)

The dimension of ELECTRIC POTENTIAL is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

ELECTRIC POTENTIAL = VOLTAGE

VOLTAGE is measured is abbreviated as "V" and measured in volts, which is abbreviated as V or J/C (energy per electric charge)

The dimension of ELECTRIC POTENTIAL is abbreviated as φ (phi) and measured in volts, which is abbreviated as V or J/C (energy per electric charge)

VOLTAGE is measured is abbreviated as "V" and measured in volts, which is abbreviated as V or J/C (energy per electric charge)

The dimension of RESISTANCE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of RESISTANCE is abbreviated as R and measured in ohms, which is abbreviated as Ω (omega), or V/A

The dimension of RESISTIVITY is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of RESISTIVITY is abbreviated as ρ (rho) and measured in the SI base unit of ohm-meters, which is abbreviated as (Ω)(m)

The dimension of CAPACITANCE is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of CAPACITANCE is abbreviated as C and measured in farads, which is abbreviated as F

F = C/V

The dimension of MAGNETIC FIELD is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of MAGNETIC FIELD is abbreviated as B and measured teslas, which is abbreviated as T

T = N/(A)(m)

The dimension of FREQUENCY is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of FREQUENCY is abbreviated as f and measured in the SI base unit of hertz, which is abbreviated as Hz

Hz = 1/s

The dimension of PERIOD is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of PERIOD is abbreviated as T and measured in the SI base unit of seconds, which is abbreviated as s

The dimension of SOUND LEVEL is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of SOUND LEVEL is abbreviated as β and measured in the SI base unit of decibels, which is abbreviated as dB

The dimension of LENS POWER is abbreviated as ____ and measured in the SI unit of ____, which is abbreviated as ____.

The dimension of LENS POWER is abbreviated as P and measured in the SI base unit of diopters, which is abbreviated as D or 1/m or m^-1