Kinamatics/Force/Kinetic Energy/Circular Motion/gravational/simple harmonic

What are the units and value for Coulomb's constant

9 * 10 ⁹ Nm ²/c ²

What are the units and value for Gravity

10 m/s ²

What are the units and value for Gravitional Constant

6.673 * 10 ^-11 Nm ²/kg ²

What are the units for the spring constant

Nm

What are the units and value for Thershold Intensity

1*10 ^-12 W/m ²

What are the units and value for Coefficent of linear expansion

K ^-1 or C ^-1

What are the units and value for ideal gas constant (atm)

0.08206 Latm/molK

What are the units and value for ideal gas constant (Torr)

8.314 J/mol*K

What are the units and value for speed of light

3*10 ⁸ m/s

What are the units and value for Absolute Pressure

1.013*10 ⁵ N/m ² or 101.3 kPa or 1 atm

What are the units and value for Boltzman Constant

1.38 * 10 ^-23 J/K

What are the formula symbol and units of Momentum

symbol: p

units: kgm/s or N*s

What are the formula symbol and units of Work/Energy

symbol: W/E

units: Joules (J)

What are the formula symbol and units of Power

symbol: P

units: J/s or Watts (W)

What are the formula symbol and units of electric charge

symbol: C

units: Coulomb (C)

What are the formula symbol and units of resistance

symbol: R

units: Ohm

What are the formula symbol and units of frequency

symbol: f

units: hertz (Hz) or s^-1

What are the formula symbol and units of pressure

symbol: P

units: N/m^2 or Pascal (Pa)

What are the formula symbol and units of Capacitance

symbol: C

units: Farads (F)

What are the formula symbol and units of Current

symbol: I

units: Ampere (A)

What are the formula symbol and units of electrical potential

symbol: V

units: Volts (V)

What are are the examples of vectors (8)

Displacement, velocity, accerlation, Force, Torque, Momentum, Electric Field, Weight

What are are the examples of scalars (10)

distance, speed, work, energy, power, pressure, energy potential, temperture, density, mass

What is the answer to the following: cos30

square root3/2

What is the answer to the following: cos45

square root2/2

What is the answer to the following: cos60

1/2

What is the answer to the following: cos90

0

What is the answer to the following: sin30

1/2

What is the answer to the following: sin45

square root2/2

What is the answer to the following: sin60

square root3/2

What is the answer to the following: sin90

1

what is distance

change in objects postion (m)

what is speed

distance traveled per unit of time (m/s)

what is velocity

displacement traveled per time (m/s)

what is acceleration

rate at which velocity changes (m/s²)

What does positive accerlation mean

speeding up

What does negative accerlation mean

slowing down

What does the distancextime graph look like at rest

flat line not at 0

What does the velocityxtime graph look like at rest

flat line not at 0

What does the accerlationxtime graph look like at rest

flat line at 0

What does the distancextime graph look like at uniform/constant accerlation

exponential postive

Parabola

acceleration keeps increasing

What does the velocityxtime graph look like at uniform/constant accerlation

linear postive

What does the accerlationxtime graph look like at uniform/constant accerlation

flat line not at 0

What does the distancextime graph look like at uniform/constant velocity

postive linear

What does the velocityxtime graph look like at uniform/constant velocity

flat line not at 0

What does the accerlationxtime graph look like at uniform/constant velocity

flat line at 0

What is the relationship between accerlation and constant velocity

accleration is 0 at constant velocity

When throwing a ball upwards what is the accerlation

constant acceleration downward due to gravity

When throwing a ball upward what is the velocity as it goes up

velocity is decreasing

When throwing a ball upward what is the velocity at the highest point

velocity = 0

When throwing a ball upward what is the velocity as it is falling

velocity is decreasing

What is the accerlation of an object falling

-10m/s²

Projectile motion what is the x-axis rules

constant velocity

Projectile motion what is the y-axis rules

constant accerlation downward

What does a vector mean in terms of calculations

answer split into two part on y-axis and x-axis

What is the 1st Newton's law

a body at rest stays at rest or an object at motion stays at motion unless there is an outside force

What is the 2nd Newton's Law

The accerlation of an object is directly proportional to and in the same direct as net external force and inversely proportional to mass

F=ma

What are the symbol and units of Force

symbol: F

units: Newtons (N)

What is the 3rd Newton's Law

whenever an object exerts force on a 2nd object, the 2nd object exert a force of equal magnitude and oppisite direction back

What are the symbol and units of Weight

symbols: W

units: Newtons (N)

What is normal force

force exerted by a surface to support weight (Fn)

What is the relationship between net force and constant velocity

F = 0 at constant velocity

What is the typical equation for a box sliding down a ramp

F = mgsin(angle)

What is friction relationship to normal force

friction is perpendicular to normal force

What is friction relationship to the contact surface

friction is parrallel to the contact surface

What is static friction

friction that opposes force when an object is at rest

prevents object from moving

what is the static friction limit called

maximum static friction

What is kinetic friction

friction that opposes a force when an object is in motion

What is the primary force acting an object to come to a stop

friction

What vaules are the coefficent of friction between

0 and 1

What is relationship between kinetic friction and static friction

kinetic friction is smaller than static friction

In terms of tension when there are three weights in a row downward tallest to lowest m1 -> m2 -> m3.

what is the tenstion greatest to lowest

m1 > m2 > m3

What forces are balanced on objects in equalibrium

force and torque (at 0)

what is static equalibrium

a state of equalibrium when an object at rest

what is dynamic equalibrium

a state of equalibrium where an object is moving at a constant velocity

the accerlation is equal between objects

What does stability mean

how likely an object is going to tip over

when will an object tip over

when the center of gravity is no longer directly above the base of support

what is stable equalibrium

when the object is displaced it returns to the original position

the center of gravity remains within the base of support

what is unstable equalibrium

when the object is displaced it does not return to the original position

the center of gravity is outside the base of support

what is neutral equalibrium

when the object is diplaced it remains in its new position (sphere)

what is the critical point for equilibrium

the center of gravity is no longer directly above the base of support

what is the axis of rotation

point where the object rotates

what happens if you apply force at the axis of rotation vs anywhere else

at the axis of rotation = object will move

any other point = rotation

What is torque

the tendency of a force to rotate an object to which it is applied through its axis of rotation

What are torques units

Newton meters (Nm)

what is the relationship between torque and radius

directly proportional

the bigger the radius = bigger torque

How is Torque determined in terms of if it is going clockwise or counterclockwise

clockwise = + Torque

counter clockwise = - torque

what is work and its units

constant force acting on an object

joules (J)

What is the relationship between displacement and work

directly proportional

if the object doesn't move = 0 work down

What happens if displacement and work are going the same direction

they are parallel

the angle will be 0

cos (0) = 1

What happens if displacement and work are going the oppisite direction

the angle will be 180

cos (180) = -1

How do you determine work from a forcexarea graph

area = Fd = work

what are the units of power (3)

watts (W)

J/s

horsepower (hp)

What does one horsepower equal in watts

1 hp = 746 Watts

What is efficiencey

the energy that useful to the total amount of energy that used

some energy is lost to friction/heat

What is Joule equal to (very long units)

J = kg * m^2 / s^3

What is the relationship between kinetic energy and work

net work = kinetic energy

What is the relationship between velocity and KE

KE directly proportional to the square of velocity

3 m/s = 9 KE

higher velocity = higher KE

What is the relationship between work and KE when work is 0

KE is unchanged

What is gravitational potential energy

result of vertical position or height